Treaty of Trianon

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(4 June 1920)

The peace treaty imposed upon Hungary by the victorious Allies after World War I, as part of the Paris Peace Conference. Hungary had to accept the breakup of Austria‐Hungary. It was forced to cede Slovakia and Ruthenia to Czechoslovakia, Croatia to the new Kingdom of Serbs, Croats, and Slovenes (Yugoslavia from 1929), and Transylvania to Romania. Hungary thus lost two‐thirds of its prewar territory, and three‐fifths of its pre‐war population. The terms of the treaty caused so much resentment as to destabilize Hungarian politics for the following decade and cause it to side with Nazi Germany in World War II, after it had regained much of its lost territory in the Vienna Awards of 1938 and 1940.

Subjects: Contemporary History (Post 1945).

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