From the USSR‘s collapse to war in Ukraine, June 12 traces the making of a nation no longer content to be called post-Soviet On June 12, 1990, the Congress of People’s Deputies adopted the Declaration of State Sovereignty of the Russian SFSR. Russia – then officially the Russian Soviet Federative Socialist Republic (RSFSR) – was one of the 15 republics of the Soviet Union. It soon became a separate state as the USSR ceased to exist. In Russia, the events of those days are still remembered with