The information has helped thwart several bomb attacks here in the British province of Ulster, police and other officials say.
The war was fought in all parts of the country, but mainly in the northern province of Ulster.
Since 1969, the violence has killed more than 3,200 people in the predominantly Protestant British province of Ulster.
It was named after the Irish province of Ulster.
By 1690, they controlled all of Ireland except for the province of Ulster.
Excluding the more unionist province of Ulster, the urban results were:
The competition now also includes teams from the provinces of Ulster and Connacht.
It is also used by many other official and non-official organisations throughout the province of Ulster.
These form two-thirds of the historical province of Ulster.
It was named after the province of Ulster in Ireland.