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
Centenary of the Easter Rising Dublin Society and met relatives of the dead, 4,000 of whom attended. President Higgins later attended a 1916 commemoration concert at Liberty Hall Theatre. On the same day, Acting Taoiseach Enda Kenny and Acting Arts Minister Heather Humphreys opened a permanent visitor centre at the General Post Office, scene of rebel occupation in 1916. Also attending was former Taoiseach Liam Cosgrave, whose father W. T. Cosgrave reopened the building in 1929 after it was put back together. A commemorative service was held at the Unitarian Church on St Stephen's Green, with the names of all Dublin fatalities read aloud. The