The Dublin Julian Day (DJD) is the number of days that has elapsed since the epoch of the solar and lunar ephemerides used from 1900 through 1983, Newcomb’s Tables of the Sun and Ernest W. Brown’s Tables of the Motion of the Moon (1919). This epoch was noon UT on 0 January 1900, which is the same as noon UT on 31 December 1899. The DJD was defined by the International Astronomical Union at their 1955 meeting in Dublin.
1710 – Charles O’Conor, writer, historian and editor, is born in Kilmactranny, Co. Sligo.
1767 – Maria Edgeworth, author of Castle Rackrent and one of the few women literary figures of the late 18th and early 19th centuries, is born.
1790 – James Wills, clergyman and writer, is born in Castlerea, Co. Roscommon.
1801 – The Act of Union between Ireland and Great Britain goes into effect.
1801 – George Benn, historian, is born in Tandragee, Co. Armagh.
1862 – Edward Harland’s Belfast shipyard assumes the name ‘Harland & Wolff’.
1871 – Gladstone’s Irish Church Act which disestablishes the Church of Ireland takes effect.
1880 – Gretta Bowen, artist, is born in Dublin.
1889 – Patrick McGill, navvy, novelist and poet, is born in Maas, Co. Donegal.
1892 – Ellis Island becomes reception center for new immigrants. The first immigrant through the gates is Annie Moore, 15, of Co. Cork.
1921 – An IRA column led by Eoin O’Duffy mounted an ambush in Ballybay, County Monaghan, one RIC man and one civilian were killed, three Auxiliaries were wounded.
1922: In Belfast, five people were shot dead by snipers (1–2 January). Two young Catholics, Hugh Corr (14) and Samuel Campbell (21 months), are shot by a sniper in Nelson St. in Belfast. Both die within a few days.
1923 – An anti-Treaty IRA column is ambushed by National Army troops at Kyle County Wexford. One IRA fighter is killed and three wounded. One Free State soldier is also wounded in the action.
1926 – 2RN (original radio station of present RTÉ) opened by Douglas Hyde.
1941 – On this date and through January 3, German bombs fall on counties Carlow, Kildare, Louth, Meath, Wexford and Wicklow.
1957 – An Irish Republican Army (IRA) unit attacks Brookeborough RUC barracks in one of the most famous incidents of the IRA’s Operation Harvest (Border Campaign).
1957 – Death of Sean South, IRA volunteer following a raid on RUC barracks in Brookeborough, County Fermanagh on New Years Day.
1973 – Ireland becomes a member of the European Economic Community (the fore-runner of the European Union).
1975 – Ireland assumes first Presidency of the Council of the European Union.
1984 – Galway City begins year long celebration of 500th anniversary (quincentennial) of mayoral status with Festival Eucharist in St. Nicholas’ Collegiate Church.
1985 – Cork City celebrates 800 years as a chartered city.
1990 – Northern Ireland Fair Employment Act becomes law.
1988 – Dublin City (founded AD 988) begins year long celebration of its Millennium year.
1998 – Foreign Affairs Minister David Andrews urges all sides to show the “greatest possible restraint” in the wake of a sectarian bar-room gun attack which plunges Northern Ireland into an uncertain New Year.
1989 – Dundalk, Co. Louth, celebrates 1200 years of history.
1990 – Ireland assumes fourth Presidency of Council of the European Union.
1999 – The world’s oldest priest, the Venerable Archdeacon Patrick Lyons, passes away at Limerick Regional hospital, just two months before his 106th birthday.
2001 – Retired garda sergeant John Fahy from Kinlough, Co Leitrim catches the first salmon of the season. The accomplished angler is also the first salmon fisherman to insert a blue bar coded tag into the gills and mouth of a freshly caught fish. For the first time, every salmon caught by commercial fishermen or leisure anglers will have to be tagged, as part of a new controls on salmon fishing which are in effect as of this date.
2002 – Euro replaces punt as Irish currency.
2002 – Taoiseach Bertie Ahern helps write history by spending euros in his local news-agent.
2004 – Ireland assumes sixth Presidency of the Council of the European Union.
2005 – Cork officially becomes the European Capital of Culture .
2005 – Littlepace housing estate in Clonee struck by a small tornado.
2005 – Death of Patrick Denis O’Donnell, military historian, writer and former Commandant of the Irish Defence Forces (b.1922).
2005 – Death of showjumper Paul Darragh (b.1953).
2006 – Philip Hogarty (aged 19) becomes the first road death on Irish roads in 2008 after being struck by a Garda patrol car in Tallaght. Philip was chairman of the Irish Chess Union.
2005 – Death of Peter Caffrey, actor (b.1949).
2008 – Phase-out of incandescent light bulbs commences.
2009 – Death of John Morrow, Presbyterian minister and peace activist.
2010 – Death of Denis Keeley, 79, long-term partner of writer Philomena Lynott.
2010 – Death of Michael Dwyer, 58, film Correspondent with The Irish Times.
2011 – The Civil Partnership Act comes into effect allowing civil partnerships where hetero- and homosexual cohabiting couples have the same rights.
2012 – Dr. Rhona Mahony becomes the first woman head of a maternity hospital in Ireland, taking up her post as master of the National Maternity Hospital, Holles Street, Dublin. She replaces Dr Michael Robson, whose term expired on December 31st. She was elected to the position by the hospital’s governors during 2011. From Dublin, the 41-year-old, a consultant obstetrician and gynaecologist and a specialist in foetal and maternal medicine, is married and has four children.