After the Habsburg Monarchy collapse in November 1918, Czechoslovak troops occupied the area, later acknowledged internationally by the Treaty of Trianon.

In 1153, the death of Stephen's son Eustace, combined with the arrival of a military expedition led by Henry, led him to acknowledge the latter as his heir by the Treaty of Wallingford.

Thirty-nine delegates were elected from Cluj to attend the proclamation of the union of Transylvania with the Kingdom of Romania in Alba-Iulia on December 1, 1918, later acknowledged internationally by the Treaty of Trianon.

In 1830 the federal government acknowledged this problem by the Treaty of Prairie du Chien, which effectively set aside a tract of land for mixed-blood people related to the Oto, Ioway, Omaha, Sac and Fox and Santee Sioux tribes.

After the Austro-Hungarian army disintegrated in November 1918, Czechoslovak troops occupied the area, later acknowledged internationally by the Treaty of Trianon.