Cold War - Classroom | Cold War Timeline

September 1, 1939 Germany invades Poland, beginning World War II.

June 30, 1941 Germany invades the Soviet Union, drawing the Soviets into World War II.

December 7, 1941 Japan launches a surprise air attack on U.S. military installations at Pearl Harbor, Hawaii, drawing the United States into World War II.

November 1943 U.S. president Franklin D. Roosevelt, British prime minister Winston Churchill, and Soviet premier Joseph Stalin meet in Tehran, Iran, to discuss war strategies against Germany and Italy.

August-October 1944 An international conference held at Dumbarton Oaks in Washington, D.C., creates the beginning of the United Nations.

February 1945 The Yalta Conference is held in the Crimean region of the Soviet Union among the three key allied leaders, U.S. president Franklin D. Roosevelt, British prime minister Winston Churchill, and Soviet premier...