sentences:  The regiment was raised as local militia at Enniskillen by Colonel Zachariah Tiffin as Zacharaiah Tiffin's Regiment of Foot in June 1689, to fight against James II in the Williamite War in Ireland.The regiment served successfully, most notably at the Battle of Newtownbutler in July 1689, and it gained a place on the English establishment in 1690 as a regular infantry regiment.As such it then fought at the Battle of the Boyne in July 1690, at the Battle of Aughrim in July 1691 and at the Siege of Limerick in August 1691.