1921

1609-1924 · Year 313 of 316

American Indian Wars

1849-1924 · Year 73 of 76

Apache Wars

The Apache Wars were a series of armed conflicts between the United States Army and various Apache tribal confederations fought in the southwest between 1849 and 1886, though…

1898-1934 · Year 24 of 37

Banana Wars

The Banana Wars were a series of conflicts that consisted of military occupation, police action, and intervention by the United States in Central America and the Caribbean…

1907-1937 · Year 15 of 31

French conquest of Morocco

The French conquest of Morocco began with the French Republic occupying the city of Oujda on 29 March 1907. The French launched campaigns against the Sultanate of Morocco which…

1911-1927 · Year 11 of 17

Rif War

The Rif War was an armed conflict fought from 1921 to 1926 between Spain and Berber tribes of the mountainous Rif region of northern Morocco.

1914-1945 · Year 8 of 32

Second Thirty Years' War

"Second Thirty Years' War" is a periodization scheme sometimes used to encompass the wars in Europe from 1914 to 1945. Just as the Thirty Years' War of 1618 to 1648 was not a…

1914-1921 · Closing year

Zaian War

The Zaian War was fought between France and the Zaian Confederation of Berber tribes in Morocco between 1914 and 1921 during the French conquest of Morocco. Morocco had become a…

1917-1922 · Year 5 of 6

Russian Civil War

The Russian Civil War was a multi-party civil war in the former Russian Empire, lasting from 1917 to 1922, sparked by the overthrowing of the Russian Provisional Government in…

1917-1944 · Year 5 of 28

Soviet-Finnish wars

1917-1921 · Closing year

Ukrainian War of Independence

The Ukrainian War of Independence, also referred to as the Ukrainian–Soviet War in Ukraine, lasted from March 1917 to November 1921 and was part of the wider Russian Civil War.…

1917-1921 · Closing year

Ukrainian–Soviet War

The Ukrainian–Soviet War is the term commonly used in post-Soviet Ukraine for the events taking place between 1917 and 1921, nowadays regarded essentially as a war between the…

1918-1921 · Closing year

Franco-Turkish War

The Franco–Turkish War, known as the Cilicia Campaign in France and as the Southern Front of the Turkish War of Independence in Turkey, was a series of conflicts fought between…

1919-1922 · Year 3 of 4

Greco-Turkish War

The Greco-Turkish War of 1919–1922 was fought between Greece and the Turkish National Movement during the partitioning of the Ottoman Empire in the aftermath of World War I,…

1919-1921 · Closing year

Irish War of Independence

The Irish War of Independence, also known as the Anglo-Irish War, was a guerrilla war fought in Ireland from 1919 to 1921 between the Irish Republican Army and British forces:…

1919-1921 · Closing year

Polish–Soviet War

The Polish–Soviet War was fought primarily between the Second Polish Republic and the Russian Soviet Federative Socialist Republic, following World War I and the Russian…

1919-1923 · Year 3 of 5

Turkish War of Independence

The Turkish War of Independence was a series of military campaigns and a revolution waged by the Turkish National Movement, after the Ottoman Empire was occupied and partitioned…