Category
page 1States succeeding Austria-Hungary
Second Polish Republic
country in Central and Eastern Europe (1918–1939)
West Ukrainian People's Republic
self-proclaimed 1918-1919 country in Eastern Europe
State of Slovenes, Croats and Serbs
short-lived state on the Balkan Peninsula between late-October and early-December 1918
Republic of German-Austria
country comprising areas with a predominantly German-speaking or ethnic German population and constituent part of the German republic (1918–1919)
First Hungarian Republic
former country (1918–1919)
First Czechoslovak Republic
1918–1938 republic in Central/Eastern Europe
Italian Regency of Carnaro
former country
Banat Republic
former country
Lemko Republic
short-lived state
Komancza Republic
short-lived state