1155 Pope Hadrian IV bestowed most of Ireland to Henry II of England. Oct 1171 Conquest by England begins.
English rule begins in Ulster.
Jun 1541 Kingdom of Ireland in personal union with England . 1642, Apr 1689 Independence rebellions. 27 Aug 1798 - 15 Sep 1798 Independence rebellion. 1 Jan 1801 Part of United Kingdom of Great Britain and Ireland 1848 Independence revolt. Jul 1938 British surrender rights in the treaty ports of Queenstown, Berehaven, and Lough Swilly.