Historical Organization
Germany
Germany
Details
Organization Timeline
Tangier crisis reveals imperial rivalry in Morocco
📅 31 March 1905Kaiser Wilhelm II’s visit to Tangier challenged France’s growing influence in Morocco and triggered an international crisis. The settlement at Algeciras in 1906 eased the immediate dispute but...
Agadir crisis brings France and Germany close to conflict
📅 1 July 1911Germany sent the gunboat Panther to Agadir amid France’s intervention in Morocco. The crisis ended with a territorial bargain, but reinforced perceptions of encirclement and rivalry. Morocco was not...
Austria-Hungary declares war on Serbia
📅 28 July 1914Austria-Hungary declared war after receiving Germany’s support. Mobilizations and declarations followed across Europe. The chain was not an automatic mechanical effect of alliances: political...
German invasion of Belgium brings Britain into the war
📅 4 August 1914Germany invaded neutral Belgium as part of its western campaign. Britain declared war on Germany the same day. Belgium’s resistance and occupation became central to Allied war narratives, while the...
Ottoman entry widens the war across the Middle East
📅 29 October 1914Ottoman naval forces attacked Russian Black Sea ports, drawing the empire into the war on the side of Germany and Austria-Hungary. The conflict opened campaigns in the Caucasus, Mesopotamia, Sinai,...
Japan captures Qingdao from Germany
📅 7 November 1914After a siege involving Japanese and British forces, the German garrison at Qingdao surrendered. Japan’s occupation of the German concession in China gave Tokyo a stronger position in East Asia. The...
Unrestricted submarine warfare resumes
📅 1 February 1917Germany resumed unrestricted submarine warfare, attacking merchant shipping in the war zone. The decision aimed to weaken Britain but helped bring the United States into the conflict. Naval blockade...
China declares war on Germany and Austria-Hungary
📅 14 August 1917China entered the war after years of pressure and in hopes of recovering German-held Shandong and strengthening its standing in the postwar settlement. Chinese leaders also sought to end unequal...
Treaty of Rapallo restores Soviet-German relations
📅 16 April 1922Germany and Soviet Russia signed the Treaty of Rapallo, renouncing claims and restoring diplomatic relations. The agreement challenged the isolation of both states after the First World War. It also...
Locarno treaties guarantee western borders but leave eastern borders exposed
📅 1 December 1925European governments signed the Locarno agreements to guarantee Germany’s western borders and establish arbitration commitments. Germany’s eastern borders with Poland and Czechoslovakia received no...
Treaty of Berlin renews neutrality between Germany and the USSR
📅 24 April 1926Germany and the USSR signed the Treaty of Berlin, pledging neutrality if either was attacked by a third power and reaffirming the Rapallo relationship. Both states sought room to maneuver after...
Germany joins the League of Nations
📅 8 September 1926Germany entered the League of Nations with a permanent seat on its Council after Locarno and the Dawes reparation plan. Its admission marked a move from exclusion toward diplomatic reintegration,...
States sign the Kellogg-Briand Pact renouncing war
📅 27 August 1928Fifteen governments signed a treaty renouncing war as an instrument of national policy. Britain signed on behalf of parts of its empire, including India, without separate representation for...
Munich Agreement transfers Czechoslovak borderlands to Germany
📅 29 September 1938Germany, Britain, France, and Italy signed an agreement to transfer the Sudeten territories from Czechoslovakia to Germany. The Czechoslovak government was not represented in the negotiations. The...
German-Soviet non-aggression pact signed
📅 23 August 1939The pact publicly committed both states to non-aggression and included a secret protocol dividing spheres of influence in Eastern Europe. It enabled Germany to invade Poland without immediate Soviet...
Germany invades Poland
📅 1 September 1939The invasion began the European war. The Soviet-German pact’s secret arrangements shaped the partition of Polish territory, while civilians faced invasion, occupation, and displacement.
German-Soviet Boundary and Friendship Treaty signed
📅 28 September 1939The treaty revised the division of occupied Polish territory and formalized spheres of influence. Its confidential protocols show how great-power bargaining over borders overrode the sovereignty of...
German surrender ratified in Berlin; Victory Day observed in the USSR
📅 9 May 1945The final German instrument of surrender was signed in Berlin late on May 8, which was already May 9 in Moscow. Victory was celebrated across the USSR, commemorating enormous losses while the state...
Iran and three European states announce the Tehran Declaration
📅 21 October 2003Following talks with the foreign ministers of Britain, France, and Germany, Iran said it would cooperate fully with the IAEA, sign and provisionally apply the Additional Protocol, and voluntarily...
The United States withdraws from the JCPOA
📅 8 May 2018President Donald Trump announced that the United States would end its participation in the nuclear deal and reimpose sanctions. Iran and the other JCPOA participants said the agreement should continue...
Indirect Vienna negotiations begin to restore the JCPOA
📅 6 April 2021Iran and the remaining JCPOA participants began Vienna talks while US representatives participated indirectly through European intermediaries. Iran insisted that US sanctions be lifted before its...
The EU reimposes nuclear-related sanctions after UN snapback
📅 29 September 2025After France, Germany, and the United Kingdom triggered the JCPOA snapback process in August, UN sanctions returned on September 28, according to the E3 and EU. The EU Council adopted its own...