State of Slovenes, Croats and Serbs

The State of Slovenes, Croats and Serbs was a political entity that was constituted in October 1918, at the end of World War I, by Slovenes, Croats and Serbs (Prečani) residing in what were the southernmost parts of the Austro-Hungarian Empire. Although internationally unrecognised, this was the first incarnation of a Yugoslav state founded on the Pan-Slavic ideology.