The
Treaty of Trianon is the peace treaty concluded at the end of
World War I by the
Allies of World War I, on one side, and
Hungary, seen as a successor of
Austria-Hungary, on the other.
[1][2][3][4] It established the borders of Hungary and regulated its international situation. Hungary lost over two-thirds of its territory, about two-thirds of its inhabitants under the treaty and 3.3 million ethnic Hungarians.