Easter Rising Pearse stood outside and read the Proclamation of the Irish Republic. Copies of the Proclamation were also pasted on walls and handed out to bystanders by Volunteers and newsboys. The GPO would be the rebels' headquarters for most of the Rising. Volunteers from the GPO also occupied other buildings on the street, including buildings overlooking O'Connell Bridge. They took over a wireless telegraph station and sent out a radio broadcast in Morse code, announcing that an Irish Republic had been declared. This was the first radio broadcast in Ireland. Elsewhere, some of the headquarters battalion under Michael Mallin occupied St
Irish Citizen Army authorities tolerated the open drilling and bearing of arms by the ICA, thinking that to clamp down on the organisation would provoke further unrest. A small group of IRB conspirators within the Irish Volunteers movement had started planning a rising. Worried that Connolly would embark on premature military action with the ICA, they approached him and inducted him into the IRB's Supreme Council to co-ordinate their preparations for the armed rebellion which became known as the Easter Rising. On Monday, 24 April 1916, 220 members of the ICA (including 28 women) took part in the Easter Rising, alongside a much