Yugoslavia

Yugoslavia (Slovenian and Croatian: Jugoslavia, in Cyrillic (Serbian and Macedonian): Југославија) is the name for different political entities that existed on the Balkan Peninsula in Europe during the 20th century. Six currently existent countries were at some time included in Yugoslavia: Slovenia, Croatia, Bosnia and Herzegovina, Serbia, Montenegro and Macedonia.

The Kingdom of Yugoslavia (December 1, 1918 – April 17, 1941), also known as the First Yugoslavia, was a monarchy formed as the "Kingdom of Serbs, Croats and Slovenes" after the World War I and re-named on 6 January 1929 by Alexander I of Yugoslavia. It was invaded on 6 April 1941 by the Axis powers and capitulated eleven days later.