Irish War of Independence

1919–1921 Ireland Status: ended Casualties: ~2,000

Guerrilla campaign of the IRA under Michael Collins. Bloody Sunday (Nov 1920). Anglo-Irish Treaty (Dec 1921) created the Irish Free State and Northern Ireland — and a civil war between pro- and anti-treaty Irish that followed.

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Belligerents

Irish Republican Army (Michael Collins)
British Crown forces, RIC, Black and Tans

Casualties

~2,000

From World at War, an interactive atlas by Jairus Pereira. Figures are approximate, drawn from Wikipedia, UCDP, ACLED and academic sources — a design artefact, not an authoritative register. Contact.