Easter Rising in putting the rising off for only a day, although it greatly reduced the number of Volunteers who turned out. British Naval Intelligence had been aware of the arms shipment, Casement's return, and the Easter date for the rising through radio messages between Germany and its embassy in the United States that were intercepted by the Royal Navy and deciphered in Room 40 of the Admiralty. The information was passed to the Under-Secretary for Ireland, Sir Matthew Nathan, on 17 April, but without revealing its source, and Nathan was doubtful about its accuracy. When news reached Dublin of the capture
First Day of the Easter Rising at the eastern end of the Union surrendered. The first fatality of the engagement was a non-combattant. A nurse, Margaret Keogh, grand niece of Captain Myles Keogh, responded to the sound of shots. As Keough attempted to tend to the injured, she was shot dead by a British soldier. First Day of the Easter Rising The first day of the Easter Rising, Monday, April 24, 1916, saw some 1,200 volunteer soldiers of the Irish Volunteers take over positions in the centre of Dublin, launching the week-long revolution known as the Easter Rising. The Volunteers' Dublin division was organized into four