Countries on the winning side of the war took many territories with German majorities. The Czechs insisted on the historic borders of the Lands of the Bohemian Crown; thus three million Germans became Czechoslovak citizens, an indirect precipitant of the Sudetenland crisis 20 years later. A victor nation, Italy occupied and was awarded Trentino and South Tyrol, of which South Tyrol is still majority German-speaking. The Kingdom of Serbs, Croats, and Slovenes (later Yugoslavia) was given parts of Carinthia and Styria. The Klagenfurt region was retained after a plebiscite on 20 October 1920, when three-fifths of voters voted to remain with Austria.