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 country's militant past, and particularly the Easter Rising. The coalition government of 1973–77, in particular the Minister for Posts and Telegraphs, Conor Cruise O'Brien, began to promote the view that the violence of 1916 was essentially no different from the violence then taking place in the streets of Belfast and Derry. O'Brien and others asserted that the Rising was doomed to military defeat from the outset, and that it failed to account for the determination of Ulster Unionists to remain in the United Kingdom. Irish republicans continue to venerate the Rising and its leaders with murals in republican areas of