Warsaw Pact Treaty, 1955 Treaty of Friendship, Cooperation and Mutual Assistance Between the People's Republic of Albania, the People's Republic of Bulgaria, the Hungarian People's Republic, the German Democratic Republic, the Polish People's Republic, the Rumanian People's Republic, the Union of Soviet Socialist Republics and the Czechoslovak Republic, May 14, 1955 . . . Article 3 The Contracting Parties shall consult with one another on all important international issues affecting their common interests, guided by the desire to strengthen international peace and security. They shall immediately consult with one another whenever, in the opinion of any one of them, a threat of armed attack on one or more of the Parties to the Treaty has arisen, in order to ensure joint defence and the maintenance of peace and security. Article 4 In the event of armed attack in Europe on one or more of the Parties to the Treaty by any state or group of states, each of the Parties to the Treaty, in the exercise of its right to individual or collective self-defence in accordance with Article 51 of the Charter of the United Nations Organization, shall immediately, either individually or in agreement with other Parties to the Treaty, come to the assistance of the state or states attacked with all such means as it deems necessary, including armed force. The Parties to the Treaty shall immediately consult concerning the necessary measures to be taken by them jointly in order to restore and maintain international peace and security. Source: The Warsaw Pact Treaty, 1955.

Who:
When:
Where:
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Who: The Contracting Parties to the Warsaw Pact Treaty, including the People's Republic of Albania, the People's Republic of Bulgaria, the Hungarian People's Republic, the German Democratic Republic, the Polish People's Republic, the Romanian People's Republic, the Union of Soviet Socialist Republics, and the Czechoslovak Republic.

When: The treaty was signed on May 14, 1955.

Where: The treaty was signed in Warsaw, Poland.

Why: The Warsaw Pact Treaty was created as a response to the formation of NATO and aimed to establish a collective defense and mutual assistance alliance among the communist countries of Eastern Europe and the Soviet Union. The treaty was intended to counterbalance NATO's influence and ensure the security and stability of the member states.