January 1 and January 3 (New Year)
March 17 (St Patrick's Day)
March 25 (Good Friday - bank holiday only)
March 28 (Easter Monday)
May 2 (in lieu of May Day)
June 6 (Spring Holiday)
August 1 (Summer Holiday)
October 31 (Hallowe'en)
December 25 (Christmas Day)
December 26 (St Stephen's Day)
December 27, 28
Northern Ireland 2005
January 3 (New Year)
March 17 (St Patrick's Day Holiday)
March 25 (Good Friday)
March 28 (Easter Monday)
May 2 (in lieu of May Day)
May 30 (Spring Holiday)
July 12 (Battle of the Boyne)
August 29 (Summer bank holiday)
December 25, 27 (Christmas)
December 26 (St Stephen's Day/Boxing Day)
Как видишь, на британском севере есть такой праздник,а в ирландской части официально его нет.
Так после того, как Оранский со своими сторонниками разгромили при Бойне католиков- ирландцев, вся эта буча в Северной Ирландии между "оранжистами" и "католиками" и продолжается.