Warsaw Convention noun

The set of rules agreed to at the international convention held in Warsaw in 1929, establishing, in principle and within limits, the liability of the airline or carrier for damage to passengers, baggage or cargo in international accidents

Warsaw Pact noun

1. An alliance of E European countries (including the Soviet Union, Bulgaria, Czechoslovakia, E Germany, Hungary, Poland and Romania) formed in 1955 and disbanded in 1991
2. The military treaty signed by these countries in Warsaw in 1955