History12 - Russia and the Soviet Union 1914-1945 (WWI-WWII): WWII Conferences

Yalta Conference was one of the most important meetings of key Allied leaders during World War II (1939-1945). These leaders were President Franklin D. Roosevelt of the United States, Prime Minister Winston Churchill of Britain, and Premier Joseph Stalin of the Soviet Union.

Tehran Conference was the first meeting of the main Allied leaders during World War II. These leaders, called the Big Three, were Prime Minister Winston Churchill of the United Kingdom, President Franklin Delano Roosevelt of the United States, and Premier Joseph Stalin of the Soviet Union. The meeting was also the first summit conference involving the heads of the Soviet Union and the United States.

Potsdam Conference, (July 17–August 2, 1945), Allied conference of World War II held at Potsdam, a suburb of Berlin. The chief participants were U.S. President Harry S. Truman, British Prime Minister Winston Churchill (or Clement Attlee, who became prime minister during the conference), and Soviet Premier Joseph Stalin.