After the Austro-Hungarian army disintegrated in November 1918, Czechoslovak troops occupied the area, later acknowledged internationally by the Treaty of Trianon. Between 1938 and 1945 Čierna Voda once more became part of Miklós Horthy's Hungary through the First Vienna Award.
After the Austro-Hungarian army disintegrated in November 1918, Czechoslovak forces occupied the region and it was later internationally recognized by the Treaty of Trianon. Between 1938 and 1945, Čierna Voda once again became part of Hungary under Miklós Horthy's rule following the First Vienna Award.