A former kingdom and province in the north of Ireland, annexed by England in 1461. From Jacobean times it was a centre of English, and later Scottish, settlement on land confiscated from its owners; divided in 1921 into Northern Ireland (counties Antrim, Armagh, Down, Fermanagh, Londonderry/Derry, and Tyrone) and the Republic of Ireland (counties Cavan, Donegal, and Monaghan).
Blue represents the sea and the sky. The points of the trident represent the three principles of democracy: government of, for, and by the people. Effective date: 30 November 1966.