The Union of Soviet Socialist Republics (USSR), commonly known as the Soviet Union, was a transcontinental country that spanned much of Eurasia from 1922...

Declaration № 142-Н of the Soviet of the Republics of the Supreme Soviet of the Soviet Union. It also brought an end to the Soviet Union's federal government...

administrative units of the Union of Soviet Socialist Republics (USSR). The Soviet Union was formed in 1922 by a treaty between the Soviet republics of Byelorussia...

Барбаросса, romanized: Operatsiya Barbarossa) was the invasion of the Soviet Union by Nazi Germany and many of its Axis allies, starting on Sunday, 22 June...

The economy of the Soviet Union was based on state ownership of the means of production, collective farming, and industrial manufacturing. An administrative-command...

The history of the Soviet Union (USSR) (1922–91) began with the ideals of the Bolshevik Revolution and ended in dissolution amidst economic collapse and...

During its 69-year history, the Soviet Union usually had a de facto leader who would not always necessarily be head of state or even head of government...

Trade unions in the Soviet Union, headed by the All-Union Central Council of Trade Unions (VTsSPS or ACCTU in English), had a complex relationship with...

major conflict of the Cold War as it saw extensive fighting between Soviet Union, the DRA and allied paramilitary groups against the Afghan mujahideen...

The State Flag of the Union of Soviet Socialist Republics (Russian: Государственный флаг Союза Советских Социалистических Республик, romanized: Gosudarstvenny...