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All Categories › Revolutions › Socialist revolutions › Soviet Union history

Soviet Union history

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Date Country Category Title
26 December 1991 Soviet Union Soviet Union history Soviet republics’ upper chamber declares the Union dissolved
21 December 1991 Unknown Soviet Union history Eleven republics sign the Alma-Ata Protocol
8 December 1991 Unknown Soviet Union history Belavezha Agreement declares the USSR has ceased to exist
1 December 1991 Ukraine Soviet Union history Voters confirm independence in a nationwide referendum
27 October 1991 Turkmenistan Soviet Union history Turkmenistan declares independence after a referendum
21 September 1991 Unknown Soviet Union history Armenians vote for independence in a republic-wide referendum
9 September 1991 Tajikistan Soviet Union history Tajikistan declares independence
31 August 1991 Kyrgyzstan Soviet Union history Kyrgyzstan declares state independence
30 August 1991 Azerbaijan Soviet Union history Azerbaijan issues a declaration restoring independence
27 August 1991 Moldova Soviet Union history Moldova declares independence
24 August 1991 Unknown Soviet Union history Ukraine declares independence
21 August 1991 Latvia Soviet Union history Latvia ends its transition period and restores independence de facto
20 August 1991 Estonia Soviet Union history Estonia re-establishes independence during the failed coup
19 August 1991 Soviet Union Soviet Union history Hard-line officials announce an emergency takeover
12 June 1991 Unknown Soviet Union history Boris Yeltsin is elected President of the Russian republic
17 March 1991 Soviet Union Soviet Union history Union referendum records divided views on a renewed federation
20 January 1991 Latvia Soviet Union history Violence erupts during Latvia’s barricades movement
13 January 1991 Lithuania Soviet Union history Soviet troops attack the television tower and independence supporters
28 October 1990 Unknown Soviet Union history Georgia holds its first multiparty Supreme Council election
2 October 1990 Unknown Soviet Union history Students begin the Revolution on Granite
16 July 1990 Unknown Soviet Union history Ukraine adopts its Declaration of State Sovereignty
23 June 1990 Unknown Soviet Union history Moldova declares sovereignty
12 June 1990 Unknown Soviet Union history Russian parliament declares state sovereignty
4 May 1990 Unknown Soviet Union history Latvia declares restoration of independence
11 March 1990 Unknown Soviet Union history Lithuania restores its independence
24 December 1989 Soviet Union Soviet Union history Congress of People’s Deputies condemns the secret protocol of the 1939 Nazi-Soviet pact
9 November 1989 Unknown Soviet Union history Berlin Wall crossings open as East German restrictions collapse
23 August 1989 Unknown Soviet Union history Baltic Way links millions in a human chain
15 July 1989 Unknown Soviet Union history Coal miners begin a strike in the Donbas
4 June 1989 Poland Soviet Union history Solidarity wins a landslide in partly free parliamentary elections
18 May 1989 Unknown Soviet Union history Lithuanian Supreme Soviet declares sovereignty
9 April 1989 Unknown Soviet Union history Soviet troops disperse a peaceful independence demonstration
26 March 1989 Soviet Union Soviet Union history First competitive elections for the Congress of People’s Deputies begin
15 February 1989 Unknown Soviet Union history Final Soviet troops leave Afghanistan
7 December 1988 Unknown Soviet Union history Earthquake devastates northern Armenia
7 December 1988 Unknown Soviet Union history Gorbachev announces unilateral Soviet force reductions
16 November 1988 Unknown Soviet Union history Estonian Supreme Soviet declares sovereignty
28 June 1988 Soviet Union Soviet Union history Nineteenth CPSU Conference opens
15 May 1988 Afghanistan Soviet Union history Soviet troop withdrawal from Afghanistan begins
14 April 1988 Switzerland Soviet Union history Afghanistan Geneva Accords are signed
20 February 1988 Unknown Soviet Union history Regional deputies request transfer of Nagorno-Karabakh to Armenia
8 December 1987 Unknown Soviet Union history USSR and United States sign the INF Treaty
30 June 1987 Soviet Union Soviet Union history Law on the State Enterprise is adopted
27 January 1987 Soviet Union Soviet Union history CPSU Central Committee plenum endorses political reform
19 December 1986 Soviet Union Soviet Union history Andrei Sakharov returns from internal exile
14 May 1986 Soviet Union Soviet Union history Gorbachev addresses the public about Chernobyl
28 April 1986 Soviet Union Soviet Union history Soviet media issue the first public notice of the Chernobyl accident
26 April 1986 Unknown Soviet Union history Reactor 4 explodes at the Chernobyl nuclear power station
25 February 1986 Soviet Union Soviet Union history Twenty-Seventh CPSU Congress opens
15 January 1986 Soviet Union Soviet Union history Gorbachev proposes a staged abolition of nuclear weapons
21 November 1985 Switzerland Soviet Union history Geneva Summit statement commits the superpowers to continued dialogue
19 November 1985 Switzerland Soviet Union history Reagan and Gorbachev open their first summit
6 August 1985 Unknown Soviet Union history Soviet nuclear-test moratorium begins
23 April 1985 Soviet Union Soviet Union history CPSU Central Committee calls for economic acceleration
11 March 1985 Soviet Union Soviet Union history Mikhail Gorbachev is selected as General Secretary
10 March 1985 Soviet Union Soviet Union history Konstantin Chernenko dies
28 July 1984 United States Soviet Union history Los Angeles Summer Olympics open without the USSR and its allies
29 June 1984 Unknown Soviet Union history United States proposes renewed arms-control talks with the USSR
8 May 1984 Soviet Union Soviet Union history Soviet Union announces it will boycott the Los Angeles Olympics
13 February 1984 Soviet Union Soviet Union history Konstantin Chernenko is chosen as General Secretary
9 February 1984 Soviet Union Soviet Union history Yuri Andropov dies
15 December 1983 Austria Soviet Union history Warsaw Pact suspends East-West troop-reduction negotiations
23 November 1983 Switzerland Soviet Union history Soviet delegation suspends participation in INF negotiations
2 November 1983 Unknown Soviet Union history NATO begins Able Archer 83 as Soviet leaders fear a surprise attack
26 September 1983 Unknown Soviet Union history Stanislav Petrov reports a false nuclear-missile warning
1 September 1983 Unknown Soviet Union history Soviet aircraft shoot down Korean Air Lines Flight 007
10 December 1982 Jamaica Soviet Union history USSR signs the UN Convention on the Law of the Sea
12 November 1982 Soviet Union Soviet Union history Yuri Andropov becomes CPSU General Secretary
10 November 1982 Soviet Union Soviet Union history Leonid Brezhnev dies
8 September 1982 Soviet Union Soviet Union history Remaining Moscow Helsinki Group members announce dissolution
16 December 1981 Poland Soviet Union history Police and security forces kill striking miners at Wujek mine
13 December 1981 Poland Soviet Union history Polish authorities impose martial law
23 February 1981 Soviet Union Soviet Union history Twenty-Sixth CPSU Congress opens
10 November 1980 Poland Soviet Union history Solidarity receives legal registration
17 September 1980 Poland Soviet Union history Independent trade unions unite as Solidarity
31 August 1980 Poland Soviet Union history Government and strike committee sign the Gdańsk Agreement
14 August 1980 Poland Soviet Union history Shipyard workers begin a strike that becomes a national movement
19 July 1980 Soviet Union Soviet Union history Moscow Summer Olympics open amid a broad boycott
20 January 1980 Unknown Soviet Union history United States announces a boycott of the Moscow Olympics
14 January 1980 Unknown Soviet Union history UN General Assembly calls for Soviet troop withdrawal from Afghanistan
27 December 1979 Afghanistan Soviet Union history Soviet forces seize key sites and Amin is killed
24 December 1979 Afghanistan Soviet Union history Soviet air and ground deployments into Afghanistan expand
14 September 1979 Afghanistan Soviet Union history Amin consolidates power after a failed attempt to remove him
18 June 1979 Austria Soviet Union history Carter and Brezhnev sign the SALT II treaty
17 February 1979 Unknown Soviet Union history China launches a military assault on Vietnam
16 January 1979 Iran Soviet Union history Shah Mohammad Reza Pahlavi leaves Iran
5 December 1978 Soviet Union Soviet Union history Afghanistan and the USSR sign a Treaty of Friendship and Cooperation
3 November 1978 Soviet Union Soviet Union history USSR and Vietnam sign a Treaty of Friendship and Cooperation
27 April 1978 Afghanistan Soviet Union history Saur Revolution overthrows Afghanistan’s government
15 March 1978 Ethiopia Soviet Union history Somali army withdrawal marks Ethiopia’s recovery of the Ogaden
2 March 1978 Unknown Soviet Union history Soyuz 28 launches the first international Interkosmos crew
13 November 1977 Somalia Soviet Union history Somalia expels Soviet advisers and ends its treaty relationship
7 October 1977 Soviet Union Soviet Union history New Soviet Constitution is adopted
13 July 1977 Ethiopia Soviet Union history Somali forces launch the Ogaden War
10 February 1977 Soviet Union Soviet Union history Yury Orlov is arrested
7 January 1977 Czechoslovakia Soviet Union history Charter 77 publishes its founding declaration
16 December 1976 Unknown Soviet Union history UN General Assembly adopts Resolution 31/20 on Palestine
9 November 1976 Unknown Soviet Union history Ukrainian Helsinki Group is founded
12 May 1976 Soviet Union Soviet Union history Moscow Helsinki Group announces its formation
24 February 1976 Soviet Union Soviet Union history Twenty-Fifth CPSU Congress opens
11 November 1975 Angola Soviet Union history Angola declares independence amid a contested transfer of power
9 October 1975 Norway Soviet Union history Andrei Sakharov receives the Nobel Peace Prize
1 August 1975 Finland Soviet Union history Soviet Union signs the Helsinki Final Act
17 July 1975 Unknown Soviet Union history Apollo-Soyuz crews dock in the first joint U.S.-Soviet space mission
25 June 1975 Mozambique Soviet Union history Mozambique becomes independent from Portugal
30 April 1975 Vietnam Soviet Union history Vietnamese forces enter Saigon and end the war
17 April 1975 Cambodia Soviet Union history Khmer Rouge forces take Phnom Penh
15 January 1975 Angola Soviet Union history Angolan liberation movements and Portugal sign the Alvor Agreement
24 November 1974 Soviet Union Soviet Union history Brezhnev and Ford announce a framework for SALT II
12 September 1974 Ethiopia Soviet Union history Ethiopian Revolution ends Haile Selassie’s rule
18 May 1974 India Soviet Union history India conducts its first nuclear test
21 December 1973 Switzerland Soviet Union history Geneva Middle East peace conference opens
22 October 1973 Unknown Soviet Union history Security Council adopts Resolution 338 on the October War
6 October 1973 Egypt, Syria Soviet Union history October War begins
22 September 1973 Soviet Union Soviet Union history Soviet Union breaks diplomatic relations with Chile’s military junta
11 September 1973 Chile Soviet Union history Military coup overthrows Salvador Allende’s government
22 June 1973 Unknown Soviet Union history USSR and United States sign agreement to prevent nuclear war
27 January 1973 France Soviet Union history Paris Peace Accords signed on Vietnam
21 December 1972 Unknown Soviet Union history East and West Germany sign the Basic Treaty
26 May 1972 Soviet Union Soviet Union history Soviet Union and United States sign the SALT I Interim Agreement
26 May 1972 Soviet Union Soviet Union history USSR and United States sign the Anti-Ballistic Missile Treaty
22 May 1972 Soviet Union Soviet Union history Nixon-Brezhnev summit opens in Moscow
16 December 1971 Bangladesh Soviet Union history Bangladesh wins independence after the liberation war
9 August 1971 India Soviet Union history India and the Soviet Union sign a treaty of cooperation
30 June 1971 Unknown Soviet Union history Soyuz 11 crew die during return from the Salyut 1 station
27 May 1971 Egypt Soviet Union history Soviet Union and Egypt sign a Treaty of Friendship and Cooperation
19 April 1971 Unknown Soviet Union history Salyut 1, the first space station, launches
7 December 1970 Poland Soviet Union history West Germany and Poland sign the Treaty of Warsaw
8 October 1970 Sweden Soviet Union history Alexander Solzhenitsyn awarded the Nobel Prize in Literature
12 August 1970 Soviet Union Soviet Union history USSR and West Germany sign the Treaty of Moscow
5 March 1970 Unknown Soviet Union history Nuclear Non-Proliferation Treaty enters into force
17 November 1969 Finland Soviet Union history Soviet-U.S. SALT negotiations begin
13 July 1969 Unknown Soviet Union history Soviet Luna 15 mission launches toward the Moon
2 March 1969 Unknown Soviet Union history Sino-Soviet border clash turns deadly
21 December 1968 United States Soviet Union history Apollo 8 launches as the space race intensifies
26 September 1968 Soviet Union Soviet Union history Soviet article articulates limits on socialist-state sovereignty
26 August 1968 Soviet Union Soviet Union history Czechoslovak leaders sign the Moscow Protocol
20 August 1968 Czechoslovakia Soviet Union history Warsaw Pact forces invade Czechoslovakia
1 July 1968 Unknown Soviet Union history USSR signs the Nuclear Non-Proliferation Treaty
5 January 1968 Czechoslovakia Soviet Union history Prague Spring begins under Alexander Dubček
6 November 1967 Soviet Union Soviet Union history Soviet state marks the fiftieth anniversary of the October Revolution
10 June 1967 Soviet Union Soviet Union history Soviet Union severs diplomatic relations with Israel
5 June 1967 Unknown Soviet Union history Six-Day War begins
27 January 1967 Unknown Soviet Union history Soviet Union signs the Outer Space Treaty
16 December 1966 Unknown Soviet Union history UN adopts the two International Covenants on human rights
26 April 1966 Unknown Soviet Union history Earthquake devastates Tashkent
29 March 1966 Soviet Union Soviet Union history Twenty-Third CPSU Congress opens
10 January 1966 Unknown Soviet Union history India and Pakistan sign the Tashkent Declaration
27 September 1965 Soviet Union Soviet Union history Central Committee approves the Kosygin economic reforms
18 March 1965 Unknown Soviet Union history Alexei Leonov completes the first spacewalk
15 October 1964 Soviet Union Soviet Union history Leonid Brezhnev elected First Secretary
14 October 1964 Soviet Union Soviet Union history Khrushchev removed from party leadership
5 August 1963 Soviet Union Soviet Union history Limited Test Ban Treaty signed
16 June 1963 Unknown Soviet Union history Valentina Tereshkova becomes the first woman in space
28 October 1962 Unknown Soviet Union history Khrushchev agrees to remove Soviet missiles from Cuba
22 October 1962 Cuba Soviet Union history Kennedy announces a naval quarantine of Cuba
14 October 1962 Caribbean, Cuba Soviet Union history U.S. reconnaissance identifies Soviet missile sites in Cuba
2 June 1962 Unknown Soviet Union history Soviet troops fire on striking workers and demonstrators
1 June 1962 Unknown Soviet Union history Food prices rise and workers face wage cuts
30 October 1961 Unknown Soviet Union history Soviet Union detonates the Tsar Bomba
17 October 1961 Soviet Union Soviet Union history Twenty-Second CPSU Congress opens and renews de-Stalinization
13 August 1961 Germany Soviet Union history East German authorities begin closing the Berlin border
16 April 1961 Cuba Soviet Union history Castro declares the Cuban Revolution socialist
12 April 1961 Unknown Soviet Union history Yuri Gagarin becomes the first human in space
14 December 1960 Unknown Soviet Union history UN adopts Declaration on the Granting of Independence to Colonial Countries and Peoples
23 September 1960 United States Soviet Union history Khrushchev addresses the UN General Assembly on colonialism
18 July 1960 China, Soviet Union Soviet Union history Soviet Union decides to withdraw advisers from China
30 June 1960 Congo Soviet Union history Republic of the Congo declares independence from Belgium
1 May 1960 Soviet Union Soviet Union history Soviet air defenses shoot down a U.S. U-2 aircraft
13 February 1960 Cuba Soviet Union history Cuba and the Soviet Union sign a trade and credit agreement
15 September 1959 United States Soviet Union history Khrushchev begins official visit to the United States
12 September 1959 Unknown Soviet Union history Luna 2 launched toward the Moon
27 January 1959 Soviet Union Soviet Union history Twenty-First CPSU Congress opens
24 December 1958 Soviet Union Soviet Union history Education law links schooling to production and labor
27 March 1958 Soviet Union Soviet Union history Khrushchev becomes Chairman of the Council of Ministers
3 November 1957 Unknown Soviet Union history Sputnik 2 carries Laika into orbit
4 October 1957 Unknown Soviet Union history Sputnik 1 launched into orbit
29 September 1957 Unknown Soviet Union history Kyshtym nuclear waste explosion contaminates rural communities
28 July 1957 Soviet Union Soviet Union history World Festival of Youth and Students opens
29 June 1957 Soviet Union Soviet Union history Central Committee defeats the Anti-Party Group
10 May 1957 Soviet Union Soviet Union history Economic-administration reform creates regional economic councils
22 November 1956 Romania Soviet Union history Imre Nagy and associates seized after leaving the Yugoslav Embassy
5 November 1956 Unknown Soviet Union history Soviet government threatens intervention during the Suez Crisis
4 November 1956 Hungary Soviet Union history Soviet military intervention crushes the Hungarian Revolution
30 October 1956 Soviet Union Soviet Union history Soviet government declares a new approach to relations with socialist states
23 October 1956 Hungary Soviet Union history Hungarian Revolution begins
19 October 1956 Poland Soviet Union history Polish October crisis brings Gomulka back to party leadership
28 June 1956 Poland Soviet Union history Workers’ protests in Poznań are violently suppressed
25 February 1956 Soviet Union Soviet Union history Khrushchev delivers the “Secret Speech”
14 February 1956 Soviet Union Soviet Union history Twentieth CPSU Congress opens
18 November 1955 India Soviet Union history Khrushchev and Bulganin begin visit to India
18 July 1955 Switzerland Soviet Union history Four-power Geneva Summit opens
26 May 1955 Yugoslavia Soviet Union history Khrushchev begins reconciliation visit to Yugoslavia
15 May 1955 Austria Soviet Union history Austrian State Treaty restores Austrian sovereignty
14 May 1955 Poland Soviet Union history Warsaw Treaty Organization founded
9 May 1955 Europe Soviet Union history Federal Republic of Germany joins NATO
27 June 1954 Unknown Soviet Union history Obninsk nuclear power station begins supplying electricity
26 April 1954 Switzerland Soviet Union history Geneva Conference on Korea and Indochina opens
2 March 1954 Unknown Soviet Union history Virgin Lands campaign formally launched
19 February 1954 Unknown Soviet Union history Crimean Oblast transferred from the Russian SFSR to the Ukrainian SSR
7 September 1953 Soviet Union Soviet Union history Nikita Khrushchev becomes First Secretary
27 July 1953 Unknown Soviet Union history Korean Armistice Agreement signed
26 June 1953 Soviet Union Soviet Union history Lavrentiy Beria arrested
17 June 1953 Unknown Soviet Union history Workers’ uprising is suppressed by Soviet forces
4 April 1953 Soviet Union Soviet Union history Government clears and releases the accused doctors
27 March 1953 Soviet Union Soviet Union history Post-Stalin amnesty releases many prisoners
5 March 1953 Soviet Union Soviet Union history Joseph Stalin dies
13 January 1953 Soviet Union Soviet Union history Pravda announces the Doctors’ Plot
5 October 1952 Soviet Union Soviet Union history Nineteenth Communist Party Congress opens
12 August 1952 Soviet Union Soviet Union history Jewish Anti-Fascist Committee defendants executed
1 February 1952 Soviet Union Soviet Union history Antisemitic campaign continues against Jewish cultural life
9 November 1951 Georgia, Soviet Union Soviet Union history Mingrelian Affair campaign targets Georgian party officials
1 April 1951 Soviet Union Soviet Union history Operation North deports Jehovah’s Witnesses
31 December 1950 Soviet Union Soviet Union history Fourth Five-Year Plan period closes with uneven recovery
19 October 1950 Unknown Soviet Union history Chinese People’s Volunteers enter the Korean War
1 August 1950 Soviet Union Soviet Union history Soviet Union returns to United Nations Security Council
25 June 1950 Unknown Soviet Union history Korean War begins
14 February 1950 Soviet Union Soviet Union history Sino-Soviet Treaty of Friendship signed
7 October 1949 Germany Soviet Union history German Democratic Republic proclaimed
1 October 1949 China Soviet Union history People’s Republic of China proclaimed
29 August 1949 Unknown Soviet Union history First Soviet atomic bomb test conducted
12 May 1949 Germany Soviet Union history Soviet authorities lift the Berlin blockade
4 April 1949 Unknown Soviet Union history North Atlantic Treaty signed
25 March 1949 Unknown Soviet Union history Operation Priboi deportations begin
25 January 1949 Soviet Union Soviet Union history Council for Mutual Economic Assistance established
9 September 1948 North Korea Soviet Union history Democratic People’s Republic of Korea proclaimed
7 August 1948 Soviet Union Soviet Union history Lysenko campaign attacks geneticists
1 July 1948 Soviet Union Soviet Union history Central Committee condemns “cosmopolitanism” in cultural life
28 June 1948 Romania Soviet Union history Cominform expels Yugoslav Communist Party
24 June 1948 Germany Soviet Union history Soviet blockade of western sectors of Berlin begins
20 March 1948 Soviet Union, Yugoslavia Soviet Union history Soviet-Yugoslav dispute deepens
25 February 1948 Czechoslovakia Soviet Union history Communist takeover consolidates Soviet-aligned government
13 January 1948 Soviet Union Soviet Union history Jewish actor Solomon Mikhoels found murdered
16 December 1947 Soviet Union Soviet Union history New ruble notes begin circulation
14 December 1947 Soviet Union Soviet Union history Monetary reform and end of rationing announced
1 October 1947 Unknown Soviet Union history Operation West deports families accused of supporting the insurgency
22 September 1947 Poland Soviet Union history Cominform announces the “two camps” doctrine
5 June 1947 France Soviet Union history Marshall Plan announced; Soviet leadership rejects participation
12 March 1947 Unknown Soviet Union history Famine relief mobilizes children and families
10 February 1947 France Soviet Union history Peace treaties signed with former European Axis states
2 January 1947 Unknown Soviet Union history State relief decree responds to poor harvest
16 December 1946 Soviet Union Soviet Union history United Nations adopts resolution on atomic energy
1 October 1946 Unknown Soviet Union history Famine spreads across Moldavia
1 September 1946 Unknown Soviet Union history Drought and harvest failure aggravate food crisis
14 August 1946 Soviet Union Soviet Union history Zhdanov campaign intensifies cultural repression
1 July 1946 Soviet Union Soviet Union history Rationing continues as postwar shortages deepen
4 April 1946 Iran Soviet Union history Security Council defers Iranian appeal as Soviet troop withdrawal proceeds
18 March 1946 Soviet Union Soviet Union history Fourth Five-Year Plan approved
10 March 1946 Unknown Soviet Union history Lviv pseudo-synod moves to abolish the Ukrainian Greek Catholic Church
10 February 1946 Soviet Union Soviet Union history First postwar election to the Supreme Soviet held
2 September 1945 Japan Soviet Union history Japan formally surrenders, ending the Second World War
9 August 1945 Unknown Soviet Union history Soviet offensive against Japanese forces begins
8 August 1945 Soviet Union Soviet Union history Soviet Union declares war on Japan
17 July 1945 Germany Soviet Union history Potsdam Conference begins
26 June 1945 United States Soviet Union history Soviet Union signs the Charter of the United Nations
9 May 1945 Germany Soviet Union history German surrender ratified in Berlin; Victory Day observed in the USSR
2 May 1945 Germany Soviet Union history Berlin garrison surrenders to Soviet forces
25 April 1945 Germany Soviet Union history Soviet and United States troops meet at the Elbe
16 April 1945 Germany Soviet Union history Battle of Berlin begins
4 February 1945 Unknown Soviet Union history Yalta Conference opens
12 January 1945 Poland Soviet Union history Vistula-Oder offensive begins
23 June 1944 Unknown Soviet Union history Operation Bagration begins
18 May 1944 Unknown Soviet Union history Deportation of Crimean Tatars begins
8 March 1944 Unknown Soviet Union history Deportation of Balkars begins
23 February 1944 Unknown Soviet Union history Mass deportation of Chechens and Ingush begins
27 January 1944 Unknown Soviet Union history Siege of Leningrad lifted
1 December 1943 Iran Soviet Union history Allied declaration recognizes Iran’s wartime role and independence
28 November 1943 Iran Soviet Union history Tehran Conference opens
6 November 1943 Unknown Soviet Union history Red Army retakes Kyiv
5 July 1943 Unknown Soviet Union history Battle of Kursk begins
2 February 1943 Unknown Soviet Union history German forces surrender at Stalingrad
18 January 1943 Unknown Soviet Union history Soviet forces open a land corridor to Leningrad
19 November 1942 Unknown Soviet Union history Operation Uranus begins
23 August 1942 Unknown Soviet Union history German air attack devastates Stalingrad
28 July 1942 Soviet Union Soviet Union history Order No. 227 demands that troops “not retreat”
12 May 1942 Unknown Soviet Union history Soviet offensive near Kharkiv begins
29 January 1942 Iran Soviet Union history Treaty of Alliance between Britain, the USSR, and Iran signed
5 December 1941 Unknown Soviet Union history Red Army counteroffensive begins near Moscow
1 October 1941 Soviet Union Soviet Union history First Allied supply protocol for the Soviet Union agreed
29 September 1941 Unknown Soviet Union history Massacre of Kyiv Jews begins at Babyn Yar
8 September 1941 Unknown Soviet Union history German forces complete the encirclement of Leningrad
28 August 1941 Unknown Soviet Union history Soviet decree orders deportation of Volga Germans
12 July 1941 Soviet Union Soviet Union history Soviet-British agreement on joint action against Germany signed
30 June 1941 Soviet Union Soviet Union history State Defense Committee established
22 June 1941 Soviet Union Soviet Union history Molotov announces the German attack by radio
22 June 1941 Soviet Union Soviet Union history Nazi Germany invades the Soviet Union
6 August 1940 Estonia Soviet Union history Estonia incorporated into the Soviet Union
5 August 1940 Latvia Soviet Union history Latvia incorporated into the Soviet Union
3 August 1940 Lithuania Soviet Union history Lithuania incorporated into the Soviet Union
2 August 1940 Ukraine Soviet Union history Moldavian Soviet Socialist Republic established
21 July 1940 Estonia, Latvia, Lithuania Soviet Union history New Baltic assemblies vote to seek incorporation into the USSR
28 June 1940 Unknown Soviet Union history Soviet troops occupy Bessarabia and Northern Bukovina
17 June 1940 Estonia, Latvia, Lithuania Soviet Union history Red Army troops enter the Baltic states
14 December 1939 Switzerland Soviet Union history League of Nations expels the Soviet Union
30 November 1939 Finland Soviet Union history Soviet Union invades Finland, beginning the Winter War
26 November 1939 Unknown Soviet Union history Mainila incident escalates the Soviet-Finnish crisis
10 October 1939 Lithuania, Soviet Union Soviet Union history Soviet-Lithuanian mutual assistance treaty signed
5 October 1939 Latvia, Soviet Union Soviet Union history Soviet-Latvian mutual assistance pact signed
28 September 1939 Soviet Union Soviet Union history German-Soviet Boundary and Friendship Treaty signed
17 September 1939 Unknown Soviet Union history Red Army enters eastern Poland
1 September 1939 Poland Soviet Union history Germany invades Poland
23 August 1939 Soviet Union Soviet Union history German-Soviet non-aggression pact signed
20 August 1939 Mongolia Soviet Union history Soviet-Mongolian counteroffensive begins at Khalkhin Gol
11 May 1939 Mongolia Soviet Union history Battle of Khalkhin Gol begins
10 March 1939 Soviet Union Soviet Union history Stalin addresses the Eighteenth Party Congress on foreign policy
8 December 1938 Soviet Union Soviet Union history Nikolai Yezhov replaced as head of the NKVD
17 November 1938 Soviet Union Soviet Union history Central Committee and Sovnarkom halt mass operations and troikas
20 August 1938 Mongolia Soviet Union history Soviet and Japanese forces clash at Lake Khasan
13 March 1938 Soviet Union Soviet Union history Bukharin and co-defendants sentenced
2 March 1938 Soviet Union Soviet Union history Trial of Bukharin and other alleged “right-Trotskyists” opens
15 January 1938 Soviet Union Soviet Union history Supreme Soviet convenes for its first session
12 December 1937 Soviet Union Soviet Union history First Supreme Soviet election held under the 1936 Constitution
12 October 1937 Soviet Union Soviet Union history Arrests of Polish and other national minorities widen across the Union
8 September 1937 Soviet Union Soviet Union history Government fixes measures for deporting Korean residents
21 August 1937 Unknown Soviet Union history Soviet government orders removal of Koreans from the Far Eastern border region
11 August 1937 Soviet Union Soviet Union history NKVD Order 00485 launches the Polish operation
30 July 1937 Soviet Union Soviet Union history NKVD Order 00447 authorizes a mass operation
11 June 1937 Soviet Union Soviet Union history Tukhachevsky and senior Red Army commanders sentenced
23 January 1937 Soviet Union Soviet Union history Second Moscow trial opens
6 January 1937 Soviet Union Soviet Union history All-Union census begins
5 December 1936 Unknown Soviet Union history Kazakhstan and Kyrgyzstan become union republics
5 December 1936 Soviet Union Soviet Union history New Soviet Constitution adopted
25 August 1936 Soviet Union Soviet Union history Zinoviev, Kamenev, and co-defendants executed
19 August 1936 Soviet Union Soviet Union history First Moscow show trial begins
17 July 1936 Spain Soviet Union history Military revolt begins the Spanish Civil War
12 June 1936 Soviet Union Soviet Union history Draft of the new Soviet Constitution published for public discussion
17 November 1935 Soviet Union Soviet Union history First All-Union Conference of Stakhanovites opens
30 August 1935 Unknown Soviet Union history Aleksei Stakhanov sets a coal-cutting production record
25 July 1935 Soviet Union Soviet Union history Seventh Congress of the Communist International opens
16 May 1935 Czechoslovakia, Soviet Union Soviet Union history Soviet-Czechoslovak mutual assistance treaty signed
15 May 1935 Unknown Soviet Union history Moscow Metro opens to the public
2 May 1935 France, Soviet Union Soviet Union history Soviet-French mutual assistance treaty signed
1 December 1934 Soviet Union Soviet Union history Kirov murder followed by emergency decree on terrorist cases
18 September 1934 Soviet Union Soviet Union history Soviet Union joins the League of Nations
2 August 1934 Soviet Union Soviet Union history Soviet authorities intensify Arctic exploration and rescue logistics
1 August 1934 Soviet Union Soviet Union history First Congress of Soviet Writers institutionalizes socialist realism
10 July 1934 Soviet Union Soviet Union history NKVD established, consolidating internal security institutions
1 March 1934 Unknown Soviet Union history Birobidzhan elevated as Jewish Autonomous Oblast
26 January 1934 Soviet Union Soviet Union history Seventeenth Party Congress opens
12 December 1933 China, Soviet Union Soviet Union history Soviet Union and China restore diplomatic relations
16 November 1933 Soviet Union, United States Soviet Union history United States recognizes the Soviet Union
2 August 1933 Unknown Soviet Union history White Sea-Baltic Canal opened after forced-labor construction
1 June 1933 Soviet Union Soviet Union history Famine affects multiple grain-producing regions
1 May 1933 Soviet Union Soviet Union history Collective farms face continuing production and labor pressures
1 March 1933 Ukraine Soviet Union history Famine reaches catastrophic levels across Ukraine
1 February 1933 Unknown Soviet Union history Famine and mass flight reshape Kazakhstan
22 January 1933 Soviet Union Soviet Union history Authorities order prevention of peasant flight from Ukraine and North Caucasus
27 December 1932 Soviet Union Soviet Union history Internal passport system introduced in major cities
6 December 1932 Ukraine Soviet Union history Blacklisting policy applied to villages failing grain quotas
2 November 1932 Unknown Soviet Union history Party leadership orders punitive measures in Kuban and North Caucasus
22 October 1932 Ukraine Soviet Union history Molotov and Kaganovich sent to enforce grain procurement
7 August 1932 Soviet Union Soviet Union history Law imposes severe penalties for theft of socialist property
25 July 1932 Soviet Union Soviet Union history Soviet-Polish non-aggression pact signed
23 April 1932 Soviet Union Soviet Union history Party dissolves independent literary and artistic associations
1 April 1932 Soviet Union Soviet Union history Internal labor discipline tightens in industrial enterprises
19 February 1932 Soviet Union Soviet Union history Seventeenth Party Conference reviews the First Five-Year Plan
13 November 1931 Unknown Soviet Union history Dalstroy created to develop Kolyma through forced labor
18 September 1931 Unknown Soviet Union history Japanese invasion of Manchuria heightens Soviet security concerns
15 June 1931 Unknown Soviet Union history Mangystau uprising challenges Soviet authority
1 March 1931 Soviet Union Soviet Union history Women’s labor participation expands under industrialization
1 February 1931 Unknown Soviet Union history Livestock losses and displacement deepen the Kazakh crisis
1 October 1930 Soviet Union Soviet Union history Industrial labor recruitment draws workers from across the Union
1 July 1930 Unknown Soviet Union history Kazakh pastoral households resist forced collectivization
26 June 1930 Soviet Union Soviet Union history Sixteenth Party Congress endorses intensified industrialization
1 May 1930 Soviet Union Soviet Union history May Day demonstrations celebrate industrial transformation
25 April 1930 Soviet Union Soviet Union history OGPU camp administration (ULAG) established
14 March 1930 Soviet Union Soviet Union history Central Committee directs correction of collectivization distortions
2 March 1930 Soviet Union Soviet Union history Stalin publishes “Dizzy with Success”
20 February 1930 Soviet Union Soviet Union history OGPU reports mass protests against collectivization
30 January 1930 Soviet Union Soviet Union history Politburo orders “kulak” dispossession and deportation
5 January 1930 Soviet Union Soviet Union history Central Committee sets timetable for mass collectivization
17 November 1929 Soviet Union Soviet Union history Bukharin removed from the Politburo
3 November 1929 Soviet Union Soviet Union history Stalin publishes “The Year of the Great Break”
7 August 1929 Soviet Union Soviet Union history Decree advances Latinization of scripts for peoples using Arabic writing
3 July 1929 Unknown Soviet Union history Collectivization and sedentarization policies intensify in Kazakhstan
28 May 1929 Soviet Union Soviet Union history Fifth Congress of Soviets approves the First Five-Year Plan
1 January 1929 Soviet Union Soviet Union history Central planning expands under the First Five-Year Plan
31 December 1928 Soviet Union Soviet Union history The NEP decade closes under pressure for a “great turn”
19 November 1928 Unknown Soviet Union history Stalin attacks the Right deviation over industrialization
7 November 1928 Soviet Union Soviet Union history Eleventh anniversary celebrations present industrialization as revolutionary defense
1 October 1928 Soviet Union Soviet Union history First Five-Year Plan period begins
17 July 1928 Unknown Soviet Union history Sixth Comintern Congress opens in Moscow
9 July 1928 Unknown Soviet Union history Five Shakhty defendants executed
4 July 1928 Unknown Soviet Union history Central Committee plenum revisits grain procurement after emergency measures
18 May 1928 Unknown Soviet Union history Shakhty trial opens against coal engineers and specialists
6 April 1928 Unknown Soviet Union history Central Committee plenum debates grain procurement and the Shakhty affair
15 January 1928 Unknown Soviet Union history Stalin travels to Siberia to enforce emergency grain collections
6 January 1928 Soviet Union Soviet Union history Central directive demands a harsher grain procurement campaign
31 December 1927 Unknown Soviet Union history Grain procurement crisis disrupts the NEP settlement
19 December 1927 Unknown Soviet Union history Fifteenth Congress concludes after endorsing a collectivization drive
2 December 1927 Unknown Soviet Union history Fifteenth Party Congress opens
14 November 1927 Unknown Soviet Union history Trotsky and Zinoviev expelled from the Communist Party
7 November 1927 Unknown Soviet Union history Joint Opposition demonstrates on the October Revolution anniversary
1 October 1927 Unknown Soviet Union history Soviet Union and Persia sign a treaty of guarantee and neutrality
7 August 1927 China Soviet Union history Chinese Communist Party adopts an insurrectionary line at the August 7 Conference
1 August 1927 China Soviet Union history Nanchang Uprising launches an armed Communist revolt in China
26 May 1927 Unknown Soviet Union history Britain breaks diplomatic relations with the Soviet Union
12 May 1927 Unknown Soviet Union history British police raid Soviet trade offices and ARCOS in London
12 April 1927 China Soviet Union history Shanghai massacre shatters the first united-front strategy
2 March 1927 Unknown Soviet Union history RSFSR government authorizes construction of the Turksib railway
15 February 1927 Unknown Soviet Union history League Against Imperialism concludes with a transnational anti-colonial platform
10 February 1927 Unknown Soviet Union history League Against Imperialism opens in Brussels
1 January 1927 Unknown Soviet Union history Family law reforms take effect under the NEP-era legal framework
17 December 1926 Soviet Union Soviet Union history First all-Union population census begins
19 November 1926 Unknown Soviet Union history RSFSR adopts a new Family Code
26 October 1926 Unknown Soviet Union history Fifteenth Party Conference opens amid growing factional conflict
31 August 1926 Afghanistan Soviet Union history Soviet Union and Afghanistan conclude a neutrality pact
24 April 1926 Unknown Soviet Union history Treaty of Berlin renews neutrality between Germany and the USSR
31 December 1925 Unknown Soviet Union history Fourteenth Party Congress ends with the defeat of the New Opposition
18 December 1925 Unknown Soviet Union history Fourteenth Party Congress opens and calls for industrialization
17 December 1925 Unknown Soviet Union history Soviet Union and Turkey sign a neutrality and non-aggression treaty
15 May 1925 Unknown Soviet Union history Japanese occupation forces leave northern Sakhalin
13 May 1925 Unknown Soviet Union history Uzbek and Turkmen SSRs enter the Soviet Union as union republics
27 April 1925 Unknown Soviet Union history Fourteenth Party Conference opens and advances “socialism in one country”
15 March 1925 Unknown Soviet Union history Tajik Autonomous Soviet Socialist Republic is formally proclaimed
26 February 1925 Unknown Soviet Union history First volume of the Great Soviet Encyclopedia published
20 January 1925 Unknown Soviet Union history Soviet-Japanese Basic Convention signed
26 November 1924 Mongolia Soviet Union history Mongolia becomes a republic and adopts its first constitution
27 October 1924 Unknown Soviet Union history Central Asian delimitation creates Uzbek and Turkmen Soviet republics
28 August 1924 Georgia Soviet Union history Georgian uprising begins against Soviet rule
12 June 1924 Unknown Soviet Union history Politburo approves plans for Central Asian national delimitation
31 May 1924 Unknown Soviet Union history Soviet Union and China sign an agreement restoring relations
23 May 1924 Unknown Soviet Union history Thirteenth Party Congress opens after Lenin’s death
25 February 1924 Unknown Soviet Union history Bukhara Communist leaders endorse national delimitation in Central Asia
15 February 1924 Soviet Union Soviet Union history Lenin Enrollment opens to mass party recruitment
7 February 1924 Unknown Soviet Union history Italy recognizes the Soviet Union
1 February 1924 Unknown Soviet Union history Britain recognizes the Soviet Union
31 January 1924 Unknown Soviet Union history Second Congress of Soviets adopts the first USSR Constitution
27 January 1924 Unknown Soviet Union history Lenin’s funeral becomes a mass state ritual
21 January 1924 Russia Soviet Union history Lenin dies after prolonged illness
1 October 1923 Soviet Union Soviet Union history The “scissors crisis” exposes conflict between farm and factory prices
6 July 1923 Unknown Soviet Union history Central Executive Committee approves draft USSR constitution
30 May 1923 Unknown Soviet Union history Buryat-Mongol Autonomous Soviet Socialist Republic established
25 April 1923 Unknown Soviet Union history Twelfth Congress calls for indigenization and national-language administration
17 April 1923 Unknown Soviet Union history Twelfth Party Congress opens amid disputes over national power
4 January 1923 Russia Soviet Union history Lenin warns against Russian great-power chauvinism
30 December 1922 Unknown Soviet Union history Union of Soviet Socialist Republics formally established
26 September 1922 Unknown Soviet Union history Lenin opposes Stalin’s “autonomization” plan
16 April 1922 Unknown Soviet Union history Treaty of Rapallo restores Soviet-German relations
12 March 1922 Unknown Soviet Union history Transcaucasian Federation established
13 October 1921 Unknown Soviet Union history Soviet Russia and Turkey sign Treaty of Kars
20 August 1921 Russia Soviet Union history American Relief Administration agreement concluded
15 July 1921 Russia Soviet Union history Famine in Volga region prompts international relief appeal
11 July 1921 Mongolia Soviet Union history Mongolian People’s Revolution establishes a new government
26 May 1921 Unknown Soviet Union history Anglo-Soviet Trade Agreement signed
18 March 1921 Unknown Soviet Union history Kronstadt rebellion crushed
18 March 1921 Unknown Soviet Union history Treaty of Riga fixes Poland-Soviet border
16 March 1921 Russia Soviet Union history New Economic Policy replaces requisition with tax in kind
8 March 1921 Unknown Soviet Union history Tenth Party Congress opens during Kronstadt crisis
28 February 1921 Unknown Soviet Union history Kronstadt sailors issue demands for renewed soviet democracy
26 February 1921 Iran Soviet Union history Soviet-Persian Treaty repudiates tsarist privileges
25 February 1921 Georgia Soviet Union history Red Army enters Tbilisi; Soviet Georgia declared
23 February 1921 Russia Soviet Union history Workers protest shortages and political restrictions in Petrograd
29 November 1920 Armenia Soviet Union history Soviet power proclaimed in Armenia
14 November 1920 Unknown Soviet Union history White forces evacuate Crimea after defeat
12 October 1920 Unknown Soviet Union history Preliminary peace signed at Riga
14 August 1920 Poland, Ukraine Soviet Union history Red Army defeated near Warsaw in Polish-Soviet War
19 July 1920 Unknown Soviet Union history Second Comintern Congress debates national and colonial questions
28 April 1920 Azerbaijan Soviet Union history Soviet power established in Azerbaijan
10 January 1920 Unknown Soviet Union history League of Nations begins work without Soviet Russia
14 November 1919 Unknown Soviet Union history Soviet forces take Omsk, Kolchak’s capital
26 May 1919 Russia Soviet Union history Allies recognize White leader Kolchak as supreme ruler
25 April 1919 Azerbaijan Soviet Union history Red Army captures Baku and Soviet authority returns
23 March 1919 Hungary Soviet Union history Hungarian Soviet Republic proclaimed
20 March 1919 Unknown Soviet Union history Bashkir autonomy agreement signed
2 March 1919 Unknown Soviet Union history First Congress of the Communist International opens
13 November 1918 Russia Soviet Union history Soviet Russia annuls Treaty of Brest-Litovsk
11 November 1918 Europe Soviet Union history Armistice ends First World War in Western Europe
20 September 1918 Azerbaijan Soviet Union history Baku Commune leaders executed after British intervention
5 September 1918 Russia Soviet Union history Red Terror formally declared
2 August 1918 Unknown Soviet Union history Allied intervention lands at Arkhangelsk
17 July 1918 Russia Soviet Union history Nicholas II and family killed in Yekaterinburg
10 July 1918 Russia Soviet Union history RSFSR adopts its first constitution
12 March 1918 Russia Soviet Union history Capital moved from Petrograd to Moscow
6 March 1918 Russia Soviet Union history Russian Communist Party (Bolsheviks) adopts new name
3 March 1918 Unknown Soviet Union history Treaty of Brest-Litovsk removes Russia from World War I
31 January 1918 Russia Soviet Union history Constituent Assembly meets and is dissolved next day
28 January 1918 Russia Soviet Union history Red Army formally organized
20 December 1917 Russia Soviet Union history Cheka established as political police
18 December 1917 Finland Soviet Union history Finland’s independence recognized by Soviet Russia
20 November 1917 Ukraine Soviet Union history Ukrainian Central Rada proclaims Ukrainian People’s Republic
15 November 1917 Russia Soviet Union history Declaration of Rights of the Peoples of Russia promises equality
8 November 1917 Russia Soviet Union history Land Decree abolishes landlord property rights
8 November 1917 Russia Soviet Union history Decree on Peace calls for an immediate negotiated peace
8 November 1917 Russia Soviet Union history Congress of Soviets establishes Council of People’s Commissars
7 November 1917 Russia Soviet Union history Bolsheviks overthrow the Provisional Government
9 September 1917 Russia Soviet Union history Kornilov affair weakens the Provisional Government
16 July 1917 Russia Soviet Union history July Days expose a crisis of authority in Petrograd
18 June 1917 Russia Soviet Union history Kerensky Offensive begins and falters
17 April 1917 Russia Soviet Union history April Theses call for “all power to the soviets”
16 April 1917 Russia Soviet Union history Lenin returns to Petrograd from exile
15 March 1917 Russia Soviet Union history Provisional Government takes power without ending the war
15 March 1917 Russia Soviet Union history Nicholas II abdicates as monarchy collapses
12 March 1917 Russia Soviet Union history Petrograd Soviet and Duma committee emerge amid uprising
8 March 1917 Russia Soviet Union history Women workers launch February Revolution