context: The Warsaw Pact or the Warsaw Treaty (officially called the Treaty of Amity, Cooperation and Mutual Assistance) is a former military organization of the Central and Eastern European Communist states. [1] [2] [3] This organization was founded in 1955 A.D. to counter threats from NATO members. One of the most prominent incentives for its creation was the West Germany's entry into NATO after the Paris Agreements were approved. The organization continued its work during the Cold War period until the fall of the European Communist regimes and the dissolution of the Soviet Union (in 1991 AD), at which time countries began to withdraw from them one by one. The alliance was officially dissolved in July 1991.
question: In what year was the Warsaw Pact established?
answers.text: 1955 A.D.