Source-backedFixed Annual
Constitution of Ireland (Bunreacht na hÉireann)
The official constitutional text states that Bunreacht na hÉireann was enacted by the people on 1 July 1937 and came into operation on 29 December 1937.
Country observance hub
Ireland observances
6 source-backed records whose verified scope explicitly identifies Ireland. This is an observance index, not a public-holiday calendar.
All verified country-scope records
Ireland authority library
Source-backedEdition Specific
Denim Day for Dementia
The Alzheimer Society of Ireland’s official 2026 campaign page schedules Denim Day for Dementia nationwide for Friday 27 February 2026, and its current fundraising-events index independentl…
Source-backedEdition Specific
MS Ireland Christmas Jumper Day
MS Ireland’s 2025 campaign states that its main Christmas Jumper Day was 11 December 2025 while allowing participants to choose another day in December.
Source-backedEdition Specific
Reek Sunday
The Irish Catholic Bishops’ Conference states that Reek Sunday 2026 fell on 26 July and describes the annual national pilgrimage to Croagh Patrick.
Source-backedFixed Annual
St Patrick's Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Ireland — St Patrick's Day on 17 March. The source verifies the diplomatic national-day ide…
Source-backedFixed Annual
St. Stephen’s Day
Ireland’s Department of Enterprise lists St. Stephen’s Day on 26 December among the State’s public holidays.