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
Easter Rising constitutional nationalism. It, and the British reaction to it, led to increased popular support for Irish independence. In December 1918, republicans, represented by the reconstituted Sinn Féin party, won 73 seats in a landslide victory in the general election to the British Parliament. They did not take their seats, but instead convened the First Dáil and declared the independence of the Irish Republic. The Soloheadbeg ambush started the War of Independence. 485 people were killed in the Easter Rising. About 54% were civilians, 30% were British military and police, and 16% were Irish rebels. More than 2,600 were wounded. Many