Roman Catholic Stuart Dynasty was to end in 1688, as the leaders
of all the political parties combined and invited William of Orange
(William III) and his wife, the Princess Mary (Mary II) to accept
the throne. James was unable to put up a fight, as the regiments
and even members of his own family deserted him.
James landed at Kinsale, Ireland in March 1689, with French support,
in a bid to regain his kingdom. The Protestants of Ulster would
not support him and closed the gates of Londonderry against him,
under the command of the Reverend George Walker. Colonel Kirke
and his regiment led the relieving force on board ship, which
broke the siege in July. King William assumed command in Ireland
the following year and the Regiment was part of the successful
English force, which defeated James at the decisive Battle of
the Boyne on 1st July 1690.