 On that date, an ambush party of IRA Volunteers from the 3rd Tipperary Brigade including Séumas Robinson, Dan Breen, Seán Treacy and Seán Hogan, attacked a pair of Royal Irish Constabulary (RIC) men who were escorting a consignment of gelignite to a quarry in Soloheadbeg, County Tipperary.The two policemen were shot dead during the engagement.This ambush is considered the first action in the Irish War of Independence.