Glossary: Warsaw Treaty Organization

Formal name for Warsaw Pact. Political-military alliance founded by the Soviet Union in 1955 as a counterweight to the North Atlantic Treaty Organization. Albania, an original member, stopped participating in Warsaw Pact activities in 1962 and withdrew in 1968. Members in 1991 included Bulgaria, Czechoslovakia, East Germany, Hungary, Poland, Romania, and the Soviet Union. Before it was formally dissolved in April 1991, the Warsaw Pact served as the Soviet Unions primary mechanism for keeping political and military control over Eastern Europe.

All Countries