The Premier of the Soviet Union (Russian: Глава Правительства СССР) was the head of government of the Union of Soviet Socialist Republics (USSR). The office had four different names throughout its existence: Chairman of the Council of People's Commissars (1923–1946), Chairman of the Council of Ministers (1946–1991), Prime Minister (January – August 1991) …

History. The post of chair of the Council of People's Commissars of the Soviet Union – the head of the executive body of the Central Executive Committee of the Soviet Union – was established by the Treaty on the Formation of the Union of Soviet Socialist Republics, which entered into force after approval by the First Congress of Soviets at a meeting on 30 December 1922.

General Secretary of the Communist Party of the Soviet Union was the top position in the Communist Party of the Soviet Union.As the leader of the only legal political party, the General Secretary served as both the head of government and head of state, although the actual head of government was the Premier.Before Stalin turned the position of General Secretary into the …