2603338 Destruction at the rebel headquarters, located at the General Post Office during The Easter Rising; (add.info.: Destruction at the rebel headquarters, located at the General Post Office (GPO) where James Connolly, overall military commander and four other members of the Military Council, during The Easter Rising also known as the Easter Rebellion, was an armed insurrection staged in Ireland during Easter Week, 1916. The Rising was mounted by Irish republicans with the aims of ending British rule in Ireland and establishing an independent Irish Republic .Early on Monday morning, 24 April 1916, roughly 1,200 Volunteers and Citizen Army members took over strongpoints in Dublin city centre. .); Universal History Archive/UIG; out of copyright.