The Cold War By marlaineg 1947 Containment of Russia 1950 The Korean War 1952 Development of the Hydrogen Bomb 1957 Sputnik Crisis 1961 Bay of Pigs Invasion 1962 Cuban Missile Crisis Considered to be the tensest point of the Cold War and the closest the world has become to initiating WWIII. 1989 Fall of the Berlin Wall 1991 Collapse of the Soviet Union