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
Centenary of the Easter Rising the 85-minute show "Centenary", directed by Cillian Fennell, live from the Bord Gáis Energy Theatre; it had dance troupes, filmed pieces of people all across the world reading the Proclamation of the Irish Republic, and among the singers appearing were Imelda May, Dónal Lunny, Sharon Shannon and Colm Wilkinson. On 3 April, a "remembrance wall" was unveiled at Glasnevin Cemetery. It included names of soldiers and civilians who died during the Easter Rising. However, a spelling mistake on the monument was quickly spotted; the first word "Éirí" ("rising") appeared as "Eírí". The unveiling was shown live on RTÉ and acting