End of cold war By facebooker_10201510605683205 Jan 29, 1956 khrushchev "peaceful coexistence " speech Jan 29, 1960 paris summit conference Jan 29, 1963 hotline set up Jan 20, 1981 reagan became president of the US Mar 23, 1983 reagan proposed SDI Mar 11, 1985 gorbachev came into power Nov 19, 1986 powers met at the summit Jun 12, 1987 berlin wall taken down Dec 8, 1988 INF trety signed betweeen US and USSR