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14 May 1955

Romania and the Warsaw Treaty

The Warsaw Treaty Organisation (1955–1991) was a political and military alliance of countries from Eastern Europe led by the USSR. The Warsaw Treaty was signed on 14 May 1955, as a balance against the threat represented by NATO. During the 1960s, Romania began to challenge the principle of the unified command within the alliance and the subordination of its army to a military structure led by marshals of the Soviet Union. In addition, after 1968, Romania no longer allowed broad common military manoeuvres of armies from the Warsaw Treaty countries to take place on its territory.

14 May 1955

14 May: Warsaw Pact established

28 June 1956

June 1956: Poznań protests