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Irish Republican Army gunmen assassinated British member of parliament Field Marshal Sir Henry Wilson.

Historical image related to Irish Republican Army gunmen assassinated British member of parliament Field Marshal Sir Henry Wilson. from June 22, 1922

Irish Republican Army (1922–1969)

Anti-Treaty sub-group of the original IRA

The Irish Republican Army of 1922–1969 was a sub-group of the original pre-1922 Irish Republican Army, characterised as the Anti-Treaty IRA for its opposition to the Anglo-Irish Treaty. It existed in various forms until 1969, when the IRA split again into the Provisional IRA and…
Source: Wikipedia (CC BY-SA)

Sir Henry Wilson, 1st Baronet

British Army officer (1864–1922)

Field Marshal Sir Henry Hughes Wilson, 1st Baronet, was one of the most senior British Army staff officers of the First World War and was briefly an Irish unionist politician.
Source: Wikipedia (CC BY-SA)