fme_881972 - RUSSIA - USSR Médaille, Cinquantenaire de l’Institut de géographie de l’Académie des sciences

RUSSIA - USSR

(1922-1991)

The February Revolution of 1917 put an end to the regime of the tsars of Russia. The Russian Republic was overthrown by the Bolsheviks in October 1917. On December 30, 1922, the treaty relating to the formation of the Union of Soviet Socialist Republics (USSR) was signed. Although having a head of state and a head of government, the USSR is in fact led by the leader of the Communist Party of the Soviet Union, the only party authorized between 1925 and 1990. December 8, 1991 , the presidents of Russia, Ukraine and Belarus sign the Minsk Agreement which proclaims the dissolution of the USSR by its founding states.