Warsaw Security Pact

(1955)

The Warsaw Security Pact, more formally the Treaty of Friendship, Cooperation and Mutual Assistance, was entered into on May 14, 1955. It solidified the Soviet Union's control over its Eastern European satellite states, specifically Albania, Bulgaria, Czechoslovakia, the German Democratic Republic (East Germany), Hungary, Poland, and Rumania. In the years that followed, the Soviets and these satellites were referred to collectively as the Warsaw Pact—an alliance that lasted until the collapse of Communism in the Warsaw Pact states in the late 1980s and early 1990s.


The Warsaw Security Pact was created at the instigation of the Soviet Union. Prompting the formation of the alliance was the admission of the Federal Republic of Germany (West Germany) to the North Atlantic Treaty Organization (NATO) in May 1955—just nine years after the Allies had defeated Nazi Germany in a world war that the Soviet Union claimed cost its nation 20 million lives. Through the formation of the...