The Cold War was a period of tension and military buildup between the United States and the Soviet Union from the mid-1940s to the late 1980s. This document discusses key events of the Cold War including the Cuban Missile Crisis, the formation of opposing military alliances like NATO and the Warsaw Pact, the arms race between the two superpowers, and the Non-Aligned Movement led by countries like India, Egypt and Yugoslavia to remain neutral. It also explains India's role in championing the interests of newly independent developing nations during the Cold War through the Non-Aligned Movement.