History of Ireland By Bmercada80@gmail.com 600 BCE First Celts arrive to Ireland 432 Saint Patrick arrives to Ireland 800 Viking attacks begin 1172 King Henry II of England is declared Feudal Lord of Ireland 1845 Great Potato Famine 1914 World War I begins 1916 Easter Rising 1921 Partition of Ireland 1969 The Troubles in Northern Ireland 1998 The Belfast Agreement 2002 Ireland adopts the Euro