Template:POTD/2022-05-09
A map of Europe in the year 1923, showing political boundaries. The post–World War I treaties (1919–1921) and Revolutions of 1917–1923 had created many new states, including the Russian Soviet Federative Socialist Republic, Irish Free State, Estonia, Finland, Latvia, Lithuania, a German Republic, an Austrian Republic, Czechoslovakia, the Kingdom of Serbs, Croats and Slovenes, and Poland.Map credit: George Washington Bacon