HMS Onslow (1916) 15 February 1916 and completed in April 1916. Her first commander was John Tovey, (later Admiral of the Fleet). On 24 April 1916, the Easter Rising against British rule broke out in Ireland. As a response, two Infantry Brigades were ordered from Liverpool to Dublin to reinforce the British forces, with "Onslow" escorting the transports carrying these troops. She saw action at the Battle of Jutland, where "Onslow" was badly damaged, with her speed reduced to . Nevertheless, Tovey pressed home the attack against first a cruiser and then a line of battlecruisers. "Onslow" was brought back to Aberdeen despite
Michael Collins (Irish leader) to his appointment as financial advisor to Count Plunkett, father of one of the Easter Rising's organisers, Joseph Plunkett. Collins took part in preparing arms and drilling troops for the insurrection. The Rising was Collins' first appearance in national events. When it commenced on Easter Monday 1916, Collins served as Joseph Plunkett's aide-de-camp at the rebellion's headquarters in the General Post Office (GPO) in Dublin. There he fought alongside Patrick Pearse, James Connolly, and other members of the Rising leadership. The Rising was put down after six days, but the insurgents achieved their goal of holding their positions for the