Irish War of Independence they would maintain their organisation until Home Rule had been granted. Within this Volunteer movement, another faction, led by the separatist Irish Republican Brotherhood, began to prepare for a revolt against British rule in Ireland. The plan for revolt was realised in the Easter Rising of 1916, in which the Volunteers launched an insurrection whose aim was to end British rule. The insurgents issued the Proclamation of the Irish Republic, proclaiming Ireland's independence as a republic. The Rising, in which over four hundred people died, was almost exclusively confined to Dublin and was put down within a week, but the
John Redmond after 1916 was increasingly eclipsed by ill-health, the rise of Sinn Féin and the growing dominance of Dillon within the Irish Party. June 1917 brought a severe personal blow to Redmond when his brother Willie died in action on the front at the onset of the Battle of Messines offensive in Flanders; his vacant seat in East Clare was then won in July by Éamon de Valera, the most senior surviving commandant of the Easter insurgents. It was one of three by-election gains by Sinn Féin, the small separatist party that had played no part in the Rising, but was