The documents discuss several key events and agreements around the beginning of the Cold War, including the Atlantic Charter in 1941, the Yalta Conference in 1945, and the Potsdam Conference in 1945. It also provides timelines of major Cold War events from the 1940s through the 1980s, including the Berlin Blockade, formation of NATO, Soviet acquisition of nuclear weapons, Korean War, Cuban Missile Crisis, Vietnam War, and collapse of Soviet control in Eastern Europe in 1989.