“¡No pasarán! In memory of the International Brigades and the men from Derry, Donegal & Tyrone who served in the struggle against fascism in defence of the Spanish Republic 1936-38. … I measc laochra lucht oibre go raibh a n-ainm – May their names be among the heroes of labour. Erected by the North-West Spanish Civil War Project, July 2013.”
For some background see DonegalDiaspora. The plaque is above the Unite offices in Carlisle Road, Derry.