Sinn Féin is the name of an Irish political party founded in 1905 by Arthur Griffith. It became a focus for various forms of Irish nationalism, especially Irish republicanism. After the Easter Rising
Arthur Griffith, founder (1905) and third president (1911–17)
President of Sinn Féin Éamon de Valera resigned from the party in 1926 and led the rump of the membership out of the party and into Fianna Fáil, an event which left Sinn Féin crippled for decades
Tomás Mac Giolla took leadership of Sinn Féin in 1962 as part of a new guard of Irish Republicans who sought to take Sinn Féin back to the left after 20 years of pursuing a right-wing stance
Gerry Adams, President of Sinn Féin from 1983 to 2018
The Workers' Party is an Irish republican, Marxist–Leninist communist party active in both the Republic of Ireland and Northern Ireland.
History of Sinn Féin
…Place) also referred to by the media as Official Sinn Féin. Led by Tomás Mac Giolla. The party renamed itself Sinn Féin the Workers Party in 1977 and the Workers' Party in 1982. Sinn Féin (Kevin Street), also referred to by the media as Provisional Sinn Féin. By 1983 it was generally known simply as Sinn Féin. Despite…