The Royal Black Preceptory has held a parade in Raphoe, Co Donegal, its first ever march in the Republic.
Over 3,000 people, including up to 30 marching bands, participated in what the organisers said was a festival based on religion, not politics.
Later in Bundoran, Co Donegal, Republican Sinn Féin held their 24th annual Hunger Strike Commemoration march through the town.
Around 400 people and three bands took part.
The gathering was addressed by the President of Republican Sinn Féin, Ruairí Ó Brádaigh.