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1949 April - The North Atlantic Treaty was signed by Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, Netherlands, Norway, Portugal, the United Kingdom and the United States.

1955 May - Warsaw Treaty signed by Albania, Bulgaria, Czechoslovakia, East Germany, Hungary, Poland, Romania and the Soviet Union.

1966 March - President de Gaulle announced France's intention to withdraw from the military structure of the Alliance.


On 31 March 1967, (4 p.m.), the flags of SHAPE member countries hoisted in front of the new SHAPE HQ relocated in Belgium.

1968 August - Warsaw Pact forces invaded Czechoslovakia.


The SACEUR, General Lyman L. Lemnitzer is shown here with the Minister of Defense Mr. Poswick, viewing a model of the new HQ in Belgium.


1989 November-December - Berlin Wall crumbled and Communist governments collapsed in East Germany, Czechoslovakia and Romania.


An East German security guard faces off with West Berliners sitting atop the Soviets' infamous Berlin Wall. Within hours after the photograph was taken Nov. 10, 1989, West and East Berliners joined in tearing down the 28-year-old barrier.

October - Germany was reunified and eastern Germany came under NATO protection.

November - At European Security Conference summit in Paris, Warsaw Pact and NATO signed the CFE treaty and declared that they no longer regarded each other as enemies.

July - Warsaw Pact was dissolved.

December - Commonwealth of Independent States (CIS) founded to replace Soviet Union. Gorbachev resigned.

1992 June - NATO foreign ministers, at a meeting in Oslo, agreed that the alliance could take on new peacekeeping missions in post-Cold War era.


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