Sinn Féin is an Irish republican and democratic socialist political party active in Ireland, including both the Republic of Ireland and Northern Ireland.
Arthur Griffith is credited as the main founder of the party
The campaign car of Joseph McGuinness, who won the 1917 South Longford by-election whilst imprisoned. He was one of the first Sinn Féin MPs to be elected.
Ruairí Ó Brádaigh (pictured in 2004) was the president of Provisional Sinn Féin from 1970 until 1983.
Under the political leadership of Gerry Adams and Martin McGuinness (pictured 2016), Sinn Féin adopted a reformist policy, eventually leading to the Good Friday Agreement.
The Workers' Party is an Irish republican, Marxist–Leninist communist party active in both the Republic of Ireland and Northern Ireland.
Tomás Mac Giolla served as leader of the Workers' Party for over a quarter of a century