Constitution of the Soviet Union

There were three iterations of the constitution of the Soviet Union, modeled after the 1918 Constitution established by the Russian Socialist Federative Soviet Republic (RSFSR), the immediate predecessor of the Union of Soviet Socialist Republics.

Chronology of Soviet constitutions
These three constitutions were:


 * 1924 Soviet Constitution
 * 1936 Soviet Constitution
 * 1977 Soviet Constitution

These constitutions had most provisions in common. These provisions declared the leadership of the working class and, in the latter two, the leading role of the CPSU in government and society. All the constitutions upheld the forms of social property. Each of the constitutions called for a system of soviets, or councils, to exercise governmental authority.