Arthur Griffith

Griffith, Arthur (1872–1922), Irish nationalist who founded Sinn Féin, a major force in Ireland's struggle for independence from England. He led the Irish delegation in negotiating the treaty (1921) that established the Irish Free State. He was the first vice president of the Dáil Eireann, an assembly that declared Irish independence, and briefly succeeded de Valera as its president (1922).

See also: Sinn Féin.