| an organization formed in Warsaw, Poland (1955), comprising Bulgaria, Czechoslovakia, East Germany, Hungary, Poland, Romania, and the U.S.S.R., for collective defense under a joint military command. |
A military alliance of communist nations in eastern Europe. Organized in 1955 in answer to NATO, the Warsaw Pact included Bulgaria, Czechoslovakia, East Germany, Hungary, Poland, Romania, and the Soviet Union. It disintegrated in 1991, in the wake of the collapse of communism in eastern Europe and the Soviet Union.