WATCH: Centenary commemorations for the Burning of the Custom House in Dublin The Burning of the Custom House occurred 100 years ago today, May 25, 1921, when the IRA seized and set fire to the Dublin building. IrishCentral Staff May 25, 2021 May 25, 2021: Minister for Housing Darragh O'Brien at the Custom House in Dublin at the event to remember the burning of the Custom House 100 years ago. RollingNews.ie Facebook