James Connolly, an IWW activist in the USA at the beginning of the Twentieth Century, was executed in Dublin by the British authorities on 12th May 1916.
He had taken part in the Easter Rising and was a signatory to the Proclamation of the Irish Republic.
For more information about his contribution to industrial unionism, go here.
On the centenary of the judicial murder of this Fellow Worker, please pause to remember him and mark the occasion in some way.