The Fall of the Soviet Union By michaila Nov 9, 1989 The Berlin Wall falls 1990 Soviet election, and pressure from Communist elite group 1991 At the Moscow Summit, President Bush signed the START treaty 1991 Soviet tanks enter Lithuania and Latvia 1991 There was an attempted coup against Gorbachev 1991 The Cooperative Threat Reduction Program was put into place Sep 4, 1991 The U.S. released 5 principles for rising republics Dec 25, 1991 Russian tricolor in Kremlin 1992 Leaders in Kazakhstan and Ukraine come to Washington 1992 Baker went to Russian republics