Treaty of Berlin renews neutrality between Germany and the USSR

The Uzbek and Turkmen republics were formally admitted to the USSR as union republics. Their new status gave them constitutional institutions and a nominal right to secede, while union ministries...

Japanese troops completed their withdrawal from northern Sakhalin under the 1925 Soviet-Japanese settlement, restoring Soviet control over the territory. Japan retained economic concessions in oil and...

The Soviet Union and Turkey signed a treaty of neutrality and non-aggression, extending diplomatic ties between two states formed from former Russian and Ottoman imperial spaces. The pact served...

The Fourteenth Party Congress opened amid conflict over the pace of industrialization and the party’s relationship with the peasantry. Delegates backed a program of industrial development while...

The Congress concluded after rejecting the opposition of Zinoviev and Kamenev and backing the party leadership’s industrialization line. Economic debates were increasingly settled through...

The Soviet and Afghan governments signed a treaty of neutrality and non-aggression, formalizing relations between neighbors whose frontier and security were shaped by Russian and British imperial...

The conference opened as disputes over economic policy and the party opposition intensified. Its resolutions condemned Trotsky’s platform and backed the leadership’s position on industrialization...

The All-Russian Central Executive Committee adopted a family code that recognized civil marriage, de facto unions and equal legal status for children regardless of parents’ marital status. It...

The census counted the population of the Soviet Union and recorded data including nationality, language, age and literacy. It created an important statistical basis for planning and social policy,...

A new family code, adopted in November 1926 and effective from 1 January 1927, strengthened civil marriage and formal equality between spouses while recognizing de facto marriage and children born...