The <a href="https://en.wikipedia.org/wiki/1920_Carinthian_plebiscite" id="mwhA" rel="mw:WikiLink" title="1920 Carinthian plebiscite">Carinthian plebiscite</a> determines that the larger part of the <a href="https://en.wikipedia.org/wiki/Duchy_of_Carinthia" id="mwhQ" rel="mw:WikiLink" title="Duchy of Carinthia">Duchy of Carinthia</a> should remain part of <a href="https://en.wikipedia.org/wiki/First_Austrian_Republic" id="mwhg" rel="mw:WikiLink" title="First Austrian Republic">Austria</a>.