Conflicts & Resolutions · Treaty · Peace

Treaty of Trianon

1920 · 20th century · Part of the First World War

The Treaty of Trianon was the peace treaty signed on 4 June 1920 at the Grand Trianon palace in Versailles between the Allied powers and Hungary after the First World War. It cut Hungary's territory by about two-thirds, transferring lands to Romania, Czechoslovakia, the Kingdom of the Serbs, Croats and Slovenes and Austria, and left millions of Hungarians outside the new borders. Its revision became the central aim of interwar Hungarian politics.

Treaty of Trianon
Image: Agence Rol · Public domain · Wikimedia Commons

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Mentioned in 5 state histories

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Cite this entry
APA
The Epoch Institute. (2026). Treaty of Trianon. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/treaty-of-trianon
MLA
“Treaty of Trianon.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/treaty-of-trianon. Accessed .
Chicago
The Epoch Institute. “Treaty of Trianon.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/treaty-of-trianon.
Harvard
The Epoch Institute (2026) ‘Treaty of Trianon’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/treaty-of-trianon (Accessed: ).

Last reviewed October 2026Random entry ↻