June 7, 1690The Scots Parliament ratified the establishment of a Presbyterian religious system, rejecting Episcopacy.
April 18, 1690Five regiments of Irishmen sail for France and form the nucleus of Frances Irish Brigade
October 3, 1691Treaty of Limerick is signed by Ginkel and Sarsfield, ending the Williamite War in Ireland
September 30, 1691The first recorded meeting of the Presbyterian general synod of Ulster is held at Antrim
August 11, 1691A Jacobite force under Patrick Sarsfield, guided by Galloping Hogan, destroys a Williamite siege train at Ballyneety, hampering the siege of Limerick