Warsaw Pact
Organization · 1955–1991
Military alliance of the Soviet Union and its Eastern European satellites, the Communist counterpart to NATO; it invaded Czechoslovakia in 1968.
Relations
- Members: Poland (1955–1991), Czechoslovakia (1955–1991), Hungary (1955–1991), Romania (1955–1991), Bulgaria (1955–1991), Albania (1955–1968), Soviet Union (1955–1991), East Germany (1956–1990)