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.
Following the disintegration of the Austro-Hungarian army in November 1918, Czechoslovak troops seized control of the area, which was subsequently internationally recognized under the Treaty of Trianon. From 1938 to 1945, Čierna Voda once more fell under Hungarian rule under Miklós Horthy's administration as a result of the First Vienna Award.