In which year was the Warsaw Pact officially disbanded?

Explanation

The Warsaw Pact, a military alliance formed in 1955 among Eastern Bloc socialist countries as a response to NATO, was officially dissolved in 1991. The formal end was declared by Czechoslovak President Václav Havel on July 1, 1991. The pact's collapse was influenced by economic difficulties and political transformations in member states, especially following the democratic revolutions of 1989 that toppled communist regimes across Eastern Europe. This dissolution signaled a significant change in global political dynamics after the Cold War, preceding the Soviet Union's own collapse later that year.