List of Rump States - World War I and Aftermath

World War I and Aftermath

• Russia from 1917 to 1921, particularly under the Treaty of Brest-Litovsk and during the Western, Polish, Romanian, and Japanese intervention of the Russian Civil War (see also Allied Intervention in the Russian Civil War.)
• Ukraine from 1917 to 1921.
• The Democratic Republic of Armenia (from 1917 to 1922), since Turkey remained in control of the majority of its pre-World War I homeland.
• The United Kingdom of Great Britain and Northern Ireland, when Southern Ireland became an independent state 1921.
• The Azerbaijan Democratic Republic from 1918 to 1920, since Iran remained in control of the majority of the Azeri historic homeland.
• German Austria, from the dissolution of the Austro-Hungarian Empire by the Treaty of Saint-Germain until the Anschluss (its annexation by Nazi Germany) of 1938.
• The Ottoman Empire as envisioned by the Treaty of Sèvres, and then Turkey as recognized in the Treaty of Lausanne after becoming a republic. See also Turkish War of Independence.
• Hungary after the Treaty of Trianon, particularly during intervention by Romania and Czechoslovakia against the short-lived Hungarian Soviet Republic in the summer of 1919 .
• Poland during the summer of 1920, while Soviet Russia occupied the majority of its area in the Polish-Soviet War. (map)
• Spain after the 1936 military rebellion, which increasingly diminished the territory under Government control to a fraction of the Iberian Peninsula