From 1938 to 1945, it belonged to Hungary under the First Vienna Award.

During World War II, the Czechoslovak part was occupied by Hungary under the First Vienna Award.

From 1938 to 1945, Číž was occupied by Hungary under the First Vienna Award.

In 1938, under the First Vienna Award of that year, Komárno (now again as Komárom) was returned to Hungary.

From 1938 until 1944 it was occupied by Hungary under the First Vienna Award.

During World War II, under the First Vienna Award, it briefly became Hungarian again.

During World War II, when Czechoslovakia was split temporarily, the complete county was occupied by Hungary under the First Vienna Award.

In 1938, the Czechoslovak became part of Hungary under the First Vienna Award.

During the World War II era, Hungary regained Hungarian-populated areas of Slovakia under the First Vienna Award of 1938.

From 1938 to 1945 it was part of Hungary again under the First Vienna Award.