Slovak Republic (1939–1945)

Slovakia, officially the (First) Slovak Republic, and from 14 March until 21 July 1939 officially known as the Slovak State (Slovak: Slovenský štát), was a partially recognized client state of Nazi Germany which existed between 14 March 1939 and 4 April 1945 in Central Europe. The Slovak part of Czechoslovakia declared independence with German support one day before the German occupation of Bohemia and Moravia.

Source: Wikipedia — Slovak Republic (1939–1945) (CC BY-SA 4.0)