Ireland
2,611 entries quoted from the Wikipedia articles written per year for Ireland, 1100 CE to 1957 CE. Each century below shows a sample spread across it; the year link on a line opens everything held for that year.
12th century
252 entries, 1100 CE to 1199 CE — 25 shown, spread across the century
- 1100Gilla na Naomh Ua hEidhin, King of Uí Fiachrach AidhneIrelandsource
- 1102Betrothal of Muirchertach Ua Briain's daughters: Lafracoth to Arnulf de Montgomery and Bjaðmunjo to Sigurd (son of Magnus Barefoot).Irelandsource
- 1106Máel Muire mac Céilechair, cleric and scribe at the monastery of Clonmacnoise.Irelandsource
- 1110Mael Ruanaid ua Machainén, king of Mugdorna.Irelandsource
- 1114Diarmait Ua Briain becomes King of MunsterIrelandsource
- 1118Enna mac Donnchada mac Murchada becomes King of Dublin.Irelandsource
- 1120Branan, son of Gillachrist, chief of Corcachlann.Irelandsource
- 1125Cineidigh Ua Conaing, archinneach of Cill-DaluaIrelandsource
- 1132Summer – Conchobhair O Brian of Thomond makes a marauding raid on Uí Maine and besieges Galway.Irelandsource
- 1136Mac Domhnaill Fhinn Ua Dubhda, King of Ui Fiachrach MuaidheIrelandsource
- 1141Conchobar Ua Briain, a member of the powerful Uí Briain dynasty, gained the kingship of Dublin. He died the following year.Irelandsource
- 1146Ragnall mac Torcaill, King of Dublin slain.Irelandsource
- 1152Diarmaid mac Murchadha elopes with Devorgill.Irelandsource
- 1157Completion and consecration of Mellifont Abbey, the first Cistercian foundation in Ireland.Irelandsource
- 1162Cosnamhaigh Ua Dubhda, lord of Ui-Amhalghadha.Irelandsource
- 1167Muirchertach Mac Lochlainn, High King of Ireland, presides over an assembly of laity and clergy of Leath Cuinn at Áth Buide Tlachtga (Athboy); marches to Armagh; divides Tír Eoghain between Niall Mac Lochlainn and Áed Ua Néill; and (at about this date) holds an Óenach Tailten.Irelandsource
- 1170Strongbow is married to Dermot MacMurrough’s daughter, Aoife.Irelandsource
- 1173Mael Sechlainn meic Domnaill Ua Mael Sechlainn becomes first Lord of Clonlonan King of MeathIrelandsource
- 1176Richard de Clare, 2nd Earl of Pembroke (Strongbow), who led the Norman invasion of Ireland (born 1130).Irelandsource
- 1178St. Werburgh's Church in Dublin is established.Irelandsource
- 1182The Kilcooly Abbey is founded, when the King of Thomond Donal Mor O’Brien granted lands to the Cistercians, to build one in Country Tipperary.Irelandsource
- 1186Stephen Ridell appointed as first Lord Chancellor of Ireland.Irelandsource
- 1189Royal charter was granted to DundalkIrelandsource
- 1192St Patrick's Cathedral built in Dublin.Irelandsource
- 1194Domnall Mór Ua Briain, King of ThomondIrelandsource
13th century
178 entries, 1200 CE to 1299 CE — 25 shown, spread across the century
- 1200Theobald Walter, 1st Baron Butler is thought to have founded the Abbey of Woney or Wotheny in County Limerick Ireland around this time.Irelandsource
- 1203William Marshal, 1st Earl of Pembroke founded Tintern Abbey (County Wexford)Irelandsource
- 1204Donnchadh Conallagh Ua Conchobair, Prince of Connacht.Irelandsource
- 1207The Normans attempted to build a motte and bailey at Brian Boru's Fort but were driven offIrelandsource
- 1210King John’s second visit to Ireland.Irelandsource
- 1214Thomas MacUchtraigh and the Anglo-Normans of the Earldom of Ulster constructed a castle at Coleraine, dismantling much of the existing settlement for building material while leaving the church intact.Irelandsource
- 121612 November – Great Charter of Ireland ("Magna Carta Hiberniae") issued in the name of King Henry III of England.Irelandsource
- 121618/19 October – death of John, King of England and Lord of Ireland; he is succeeded by his 9-year-old son Henry.Irelandsource
- 1218Muirchertach Ó Floinn, king of Uí Tuirtre, was killed by the Anglo-Normans.Irelandsource
- 1223The current Old Head of Kinsale was constructed.Irelandsource
- 1224Simon Rochfort, Bishop of Meath.Irelandsource
- 1226Nuala Ní Conchobair, Queen of Ulaid.Irelandsource
- 1230Walter de Burgh, 1st Earl of UlsterIrelandsource
- 1237Ralph de Norwich appointed Lord Chancellor of Ireland.Irelandsource
- 1242Richard Mor de Burgh (born c. 1194) was the eldest son of William de Burgh and founder of the towns of Ballinasloe, Loughrea and Galway.Irelandsource
- 1247Battle between Anglo-Normans and Irish led to the Sack of Dun Gallimhe by Irish forces.Irelandsource
- 1248Rory O'Cannon, the last chieftain of the O'Cannon clan is killed.Irelandsource
- 1258Clane Friary refounded as a house of the Order of Friars Minor ConventualIrelandsource
- 1260Battle of Down; defeat and death of Brian O’Neill.Irelandsource
- 1266Máeleoin Bódur Ó Maolconaire, historian and poet.Irelandsource
- 1270Tanaide Mor mac Dúinnín Ó MaolconaireIrelandsource
- 1279Duarcán mac Íomhaor Mág Tighearnán the Second (anglicised Durcan McKiernan) became chief of the McKiernan Clan and Baron or Lord of Tullyhunco barony, County CavanIrelandsource
- 1283Walter de Fulburn became Lord Chancellor of IrelandIrelandsource
- 1290Sithric "Carrach in Cairn" Mág TighearnánIrelandsource
- 1295Roscrea Castle, originally a wooden structure, was completed in stoneIrelandsource
14th century
336 entries, 1300 CE to 1399 CE — 25 shown, spread across the century
- 1300Petronilla de Meath (died 1324)Irelandsource
- 1309Thomas Cantock, Bishop of Emly and Lord Chancellor of IrelandIrelandsource
- 1312Domhnall "An Saithnech" Mág Tighearnán, Chief of McKiernan Clan (birth year unknown)Irelandsource
- 131810 May – Battle of Dysert O'Dea: The Hiberno-Norman Richard de Clare is defeated and killed by Conor O'Dea in alliance with O'Briens, MacNamaras and Ó hEithirs.Irelandsource
- 132412 February – William Liath de Burgh, buried in Galway.Irelandsource
- 1331Walter de Burgh defeats Tommaltach Mac Diarmata in MoylurgIrelandsource
- 133217 August Parliament at DublinIrelandsource
- 1333Ó Ceallaigh of Uí Maine at war with Ó ConchobhairIrelandsource
- 1335Parliament (or council): subsidy granted for Edward III's Scottish war.Irelandsource
- 1337Peace established between Richard de Burgh and Brian Ban O BriainIrelandsource
- 1337Lughaidh O'Daly, Bishop of Clonmacnoise, "died after a well-spent life."Irelandsource
- 1339The Mint briefly reopens at Dublin (see 1302)Irelandsource
- 13415 May – Elizabeth de Burgh, daughter of William Donn, 4th Earl of Ulster, is betrothed to Lionel of Antwerp, 1st Duke of Clarence (see 9 September).Irelandsource
- 1343Clann Mhuircheartaigh is expelled from Bréifne by Ualgarg Mór Ó Ruairc, O Conchobhair, and Tadhg Mag Ragnaill. He is given refuge by King Aonghus of Tír Conaill in Tír Aodha (Tirhugh, County Donegal).Irelandsource
- 134410 February – Ralph d'Ufford is appointed Justiciar.Irelandsource
- 134522 February – an assembly is held in Callan, County Kilkenny, under the presidency of Maurice FitzGerald, 2nd Earl of Desmond.Irelandsource
- 1347"Maurice Fitz Thomas, Earl of Kildare, and Lord Fulk de la Freigne, having been called and invited by the King entered France for the Siege of Calais that lasted from the preceding feast of the nativity of blessed Mary right up to the feast of St. Laurence, martyr. And then after many attacks and dreadful and incredible famine the French were compelled to submit they keys of the city and themselves to the mercy of the King of England."Irelandsource
- 134711 November – "The earldom of Ormond and its regalities was granted to James Butler, the younger, by the King."Irelandsource
- 134817 March – "Hugo de Calce, papal clerk, collector and gatherer of the tax in Dublin, was killed."Irelandsource
- 1350Brian Bán Ó Briain, King of Thomond, is killed; restoration of Diarmaid mac Toirdhealbach (see 1343 in Ireland).Irelandsource
- 1357John Frowyk, Prior of the Order of St. John of Jerusalem appointed Lord Chancellor of IrelandIrelandsource
- 1364Robert de Ashton appointed Lord Chancellor of IrelandIrelandsource
- 1377Robert Wikeford, Primate of Ireland appointed Lord Chancellor of Ireland.Irelandsource
- 1386Thomas FitzGerald, 5th Earl of Desmond, born circa 1386Irelandsource
- 1394Thomas le Reve - the first Bishop of Waterford and Lismore following the unification of the two seesIrelandsource
15th century
192 entries, 1400 CE to 1499 CE — 25 shown, spread across the century
- 1400O'Conor dynasty captured the Donamon Castle from House of Burgh.Irelandsource
- 1402The authority of the English Crown in Ireland remained tied to the reign of Henry IV of England, whose government faced political instability in England and Wales during the early 15th century. These pressures limited England’s ability to reinforce its rule in Ireland.Irelandsource
- 1403Mac Raith Ó hEidirsgeóil was replaced by Stepehn Brown as the new Bishop of Ross.Irelandsource
- 1404John Colton, Archbishop of ArmaghIrelandsource
- 1411Richard of York, lieutenant of Ireland.Irelandsource
- 1418Gilla Isa Mor mac Donnchadh MacFhirbhisigh, historian, scribe and poet.Irelandsource
- 1424Ulick an Fhiona Burke, 3rd ClanricardeIrelandsource
- 1437Treatment of Foreign Merchants Act 1437Irelandsource
- 14442 May - Hugh Boy II O'Neill, King of Clandeboye (birth date unknown)Irelandsource
- 14507 August – Edmund Oldhall is appointed Bishop of Meath.Irelandsource
- 1453Irish clans of O'Neill, Magennis and McCartan lost a battle to English forces at Ardglass.Irelandsource
- 1458Calbhach Ó Conchobhair Failghe (Calvach O'Connor Faly), chief of Uíbh FhailgheIrelandsource
- 1462Glenquin Castle, is a tower house and National Monument located in County Limerick. Built by the Ó hAilgheanáin (O'Hallinans) in 1462, on the site of an older building dating back to AD 983.Irelandsource
- 1467Events of this year are recorded in A Fragment of Irish Annals. The text is believed to date from the years 1467-68 or immediately after and covers only these two years.Irelandsource
- 147018 October - John Tiptoft, 1st Earl of Worcester, former Lord Deputy of Ireland and Yorkist statesman.Irelandsource
- 1473Gilbert Debenham, future Chancellor of Ireland sent as emissary to IrelandIrelandsource
- 1477Garret More, the Great Earl of Kildare starts his rule (ruled until his death in 1513).Irelandsource
- 1480Seán Ó Maolalaidh, Chief of the NameIrelandsource
- 1483May – Robert St Lawrence, 3rd Baron Howth appointed Lord Chancellor of Ireland (died a few months later)Irelandsource
- 1484July–August – Gearóid Mór FitzGerald, 8th Earl of Kildare, Lord Deputy of Ireland, attends the English court.Irelandsource
- 1487Gerald FitzGerald, 9th Earl of Kildare (d. 1534)Irelandsource
- 1491Summer/autumn – continuous rainfall causes the grain crops to fail throughout Ireland, leading to this being called the "dismal year".Irelandsource
- 1492October 25 – Thaddeus McCarthy, Bishop of Ross, then Bishop of Cork and Cloyne (b. c. 1455)Irelandsource
- 1494October 13 – Edward Poynings arrives at Howth with 1,000 men.Irelandsource
- 1496Garret More, the Great Earl of Kildare, returns to Ireland as Lord Deputy of Ireland. He holds the position until his death in 1513.Irelandsource
16th century
461 entries, 1500 CE to 1599 CE — 25 shown, spread across the century
- 1500Eóghan Ó Ruairc became king in the Kingdom of Breifne.Irelandsource
- 1507November 20 – Arthur Lynch, 22nd Mayor of Galway, drowned.Irelandsource
- 1518June 6: Archduke Ferdinand, son of Philip the Fair of Burgundy and his wife, Joanna the Mad, and grandson to King Ferdinand and Queen Isabella visit Kinsale.Irelandsource
- 1527Rychard Martin is succeeded as Mayor of Galway by William Morris.Irelandsource
- 1532Nicholas White, lawyer (b. circa 1532)Irelandsource
- 1537Approximate date – Kilmacrenan Friary established.Irelandsource
- 1539Priory Hospital of St. John the Baptist, Drogheda (26 July).Irelandsource
- 1541St. Katherine's Abbey, Monisternagalliaghduff.Irelandsource
- 1543November 10 – Thomas Butler is created 1st Baron of Caher in the Peerage of Ireland.Irelandsource
- 1547Summer – Patrick O'More and Brian O'Connor ravage Kildare but are driven back by Sir Edward Bellingham, ordered to Ireland in late May to restore order.Irelandsource
- 1550June 27 – the English Council resolves to establish a mint in Ireland.Irelandsource
- 1553Bartholomew Ball was elected Lord Mayor of Dublin, his wife, Margaret Ball, subsequently a Catholic martyr, became Lady Mayoress.Irelandsource
- 1558November 17 – the Protestant Elizabeth I succeeds as Queen of England and Ireland upon the death of her Catholic half-sister Mary I. The Elizabethan Religious Settlement follows.Irelandsource
- 1561Donal Cam O'Sullivan Beare, clan chief (d. 1618)Irelandsource
- 1565Butlers and Fitzgeralds fight a pitched battle against each other at the Battle of Affane (February) in County Waterford. Sir Edmund Butler of Cloughgrenan wounds and takes prisoner Gerald FitzGerald, 15th Earl of Desmond and drives his followers from the field. John Plunket is appointed to inquire into the causes of the dispute.Irelandsource
- 1567Tiobóid na Long Bourke, 1st Viscount Mayo (born at sea), clan chief (d. 1629)Irelandsource
- 1573June – a warrant is given for the restoration of his lands to Connor O'Brien, 3rd Earl of Thomond.Irelandsource
- 1574Essex meets Brian O'Neill of Clandeboye at his castle of Edendubhcarrig (County Antrim) where at least 200 of the clan O'Neill are treacherously massacred at a feast while O'Neill himself, his wife and brother are captured, taken to Dublin, executed and quartered. The Lordship of Clandeboye is partitioned in three by the English.Irelandsource
- 1576June – the rebel sons of Richard Burke, Earl of Clanricarde, attack Athenry. They are captured and imprisoned in Dublin but escape.Irelandsource
- 1579November 13 – Desmond's troops sack Youghal during the Second Desmond RebellionIrelandsource
- 1582July – Lord Grey, Lord Deputy of Ireland, is recalled to England. Sir Henry Wallop and Adam Loftus, Archbishop of Dublin, are appointed lords justices responsible for the government of Ireland to succeed him.Irelandsource
- 158515 July – Composition of Connacht: A commission is given to Sir Richard Bingham, governor of Connacht, and others to make agreements with landowners in the province by 3 October. Murrough na dTuadh Ó Flaithbheartaigh is recognised as Chief of the Name of Ó Flaithbertaigh in Galway.Irelandsource
- 1588Richard Boyle, 1st Earl of Cork and father of Robert Boyle, arrives in Ireland as an entrepreneur.Irelandsource
- 1591November – Barnabe Riche proposes action against Roman Catholic recusants.Irelandsource
- 159525–27 March – Battle of Clontibret in County Monaghan: Tyrone's forces achieve victory over English troops led by Sir Henry Bagenal in the first major action of the Nine Years' War.Irelandsource
17th century
451 entries, 1600 CE to 1699 CE — 25 shown, spread across the century
- 160027 January – Colonel Richard Wingfield is made Marshal of Ireland by Queen Elizabeth.Irelandsource
- 1603Sir Edmund Pelham, Chief Baron of the Irish Exchequer since 1602, holds the first assizes in Ulster, at Donegal.Irelandsource
- 1606Anglican churchman William Bedell translates the Book of Common Prayer into Irish.Irelandsource
- 1608Five royal schools in Ulster are given Royal Charter, by King James I.Irelandsource
- 161119 August – the Church of Ireland Bishop of Elphin, John Lynch, resigns, declaring himself a Roman Catholic, and is succeeded by Edward King (consecrated December).Irelandsource
- 1614June 17 – William Bathe, Jesuit priest and linguist (b. 1564)Irelandsource
- 1617Hezekiah Holland ('Anglo-Hibernus'), Anglican clergyman (d. after 1660)Irelandsource
- 1620The titles of Earl of Cork and Viscount of Dungarvan are created in the Peerage of Ireland in favour of Richard Boyle, Lord Boyle.Irelandsource
- 16223 May – The Montgomery Viscountcy of the Great Ards in the Peerage of Ireland is created for Hugh Montgomery.Irelandsource
- 1625Castle at Ballycastle, County Antrim, rebuilt by Randal MacDonnell, 1st Earl of Antrim.Irelandsource
- 1631December 22 – the titles of Viscount Clanmalier and Baron Phillipstown are created in the Peerage of Ireland in favour of Terence O'Dempsey.Irelandsource
- 1636Compilation of the Annals of the Four Masters is completed by Mícheál Ó Cléirigh, assisted by Cú Choigcríche Ó Cléirigh, Fearfeasa Ó Maol Chonaire and Peregrine Ó Duibhgeannain, in the Franciscan friary in Donegal Town under the patronage of Fearghal Ó Gadhra.Irelandsource
- 1641William Bedell, Church of Ireland Bishop of Kilmore, with other refugees is imprisoned and tortured by rebels at Cloughoughter Castle.Irelandsource
- 1647July – James Butler, 1st Duke of Ormonde, surrenders Dublin to parliamentary forces under Michael Jones.Irelandsource
- 1651October 27 - siege of Limerick: Hugh Dubh O'Neill surrenders Limerick after part of the English Royalist garrison mutinies. The soldiers are permitted to march unarmed to Galway but some leaders are executed.Irelandsource
- 16578 June – the Parliament of England passes the Act of Settlement for the Assuring, Confirming and Settling of lands and estates in Ireland, confirming legal arrangements made under the Act for the Settlement of Ireland 1652.Irelandsource
- 1663May 21 – Colonel Thomas Blood fails in an attempt to seize Dublin Castle in support of the claims of Cromwellian soldiers.Irelandsource
- 1669January 11 – Peter Talbot is appointed Roman Catholic Archbishop of Dublin and Primate of Ireland (consecrated at Antwerp 29 April (9 May New Style)).Irelandsource
- 1671May 26 – John O'Molony is appointed Roman Catholic Bishop of Killaloe.Irelandsource
- 1676Froinsias Ó Maolmhuaidh's Lucerna fidelium, seu, Fasciclus decerptus ab authoribus magis versatis qui tractarunt de doctrin a Christiana (Lochrann na gCreidmheach), an Irish language catechism of Catholic Church doctrine is published by the Congregation of Propaganda Fide in Rome.Irelandsource
- 1682July 24 – the office of Third Serjeant-at-law at the Irish Bar is created, the first holder being John Lyndon.Irelandsource
- 1686April 20–April 24 – three Roman Catholic judges are appointed to Ireland (but Charles Ingleby refuses to travel there).Irelandsource
- 1689Ambrose Wall, Sheriff of Wicklow, oversees the re-erection of a 10th-century high cross at St. John's Church, Ballymore Eustace in County Kildare.Irelandsource
- 1692November – Henri de Massue, 2nd Marquis de Ruvigny, a French Huguenot soldier in English service and commander in chief in Ireland for a time this year, is created Viscount Galway and Baron Portarlington in the Peerage of Ireland and receives a large grant of seized estates in Ireland.Irelandsource
- 16954 May – Charles Boyle, Viscount Dungarvan, is appointed Lord High Treasurer of Ireland, in succession to Lord Burlington, his grandfather, Lord Treasurer of Ireland since 1660.Irelandsource
18th century
375 entries, 1700 CE to 1799 CE — 25 shown, spread across the century
- 1700c. March – the Yellow Book of Lecan is acquired by antiquary Edward Lhuyd.Irelandsource
- 1703Sir Robert Doyne is appointed as Chief Justice of the Irish Common Pleas.Irelandsource
- 1707October - Marsh's Library, the first public library in Ireland, is established by an Act of the Irish Parliament called ‘An Act for Settling and Preserving a Publick Library forever’.Irelandsource
- 1713November–December – Parliament of Ireland meets and is prorogued without voting supply beyond the end of the year.Irelandsource
- 1717August 7 – Charles Paulet, 2nd Duke of Bolton, sworn in as Lord Lieutenant of Ireland.Irelandsource
- 1721June 24 – an act of the Parliament of Great Britain permits Charles Butler, 1st Earl of Arran, to purchase the Irish estates forfeited by his brother James Butler, 2nd Duke of Ormonde.Irelandsource
- 1727Jonathan Swift's A Short View of the State of Ireland is written.Irelandsource
- 173325 June – Ben and Samuel Burton's Dublin bank failure.Irelandsource
- 1736July 27 – riots in east London protesting at Irish immigrants to England providing cheap labour.Irelandsource
- 173927 December–February 1740 – the 'Great Frost': unusually harsh winter in which the River Liffey froze over, and citizens "walked and recreated themselves upon the ice".Irelandsource
- 174213 April – first performance of Handel's Messiah staged at Neal's Music Hall in Fishamble Street, Dublin in aid of local charities. Matthew Dubourg leads the orchestra. Handel leaves Ireland on 13 August.Irelandsource
- 1746June – English preacher John Cennick arrives in Ireland to evangelise for the Moravian Church.Irelandsource
- 1749James Simon's An essay towards an historical account of Irish coins is published in Dublin.Irelandsource
- 17546 March – Thomas Dillon, Richard Ferrall and Co.'s bank failure in Dublin due to fraud, the first of three (1754–1755); the partners abscond to France.Irelandsource
- 1757Kilbeggan Distillery established.Irelandsource
- 1760A Patriot Party under the leadership of Henry Flood, appears in the Irish House of Representatives.Irelandsource
- 1765Sculptor Christopher Hewetson settles in Rome.Irelandsource
- 1768Poolbeg Lighthouse in Dublin Bay is first lit (by candlepower).Irelandsource
- 1773Thomas Leland publishes The History of Ireland, from the invasion of Henry II.Irelandsource
- 1778April – the Ladies of Llangollen run away from Ireland to set up a rural household together.Irelandsource
- 178215 February – at a convention held in Dungannon, delegates from a number of Ulster Volunteer corps pledge support for resolutions advocating legislative independence for Ireland.Irelandsource
- 1784The post of Postmasters General of Ireland establishedIrelandsource
- 1790Armagh Observatory, founded by Richard Robinson, 1st Baron Rokeby, Archbishop of Armagh, begins to function.Irelandsource
- 1793Cathedral of the Most Holy Trinity, Waterford, the oldest Catholic cathedral in Ireland, is built.Irelandsource
- 179622 December – French fleet, with Wolfe Tone on board, arrives in Bantry Bay, but is unable to land due to contrary winds.Irelandsource
19th century
295 entries, 1800 CE to 1898 CE — 25 shown, spread across the century
- 180012 August – start of construction of the Military Road across the Wicklow Mountains.Irelandsource
- 1803Belvelly Bridge, linking Great Island to the mainland of County Cork, is built.Irelandsource
- 18086 June – the Bank of Ireland moves its premises to the former Irish Houses of Parliament on College Green, Dublin.Irelandsource
- 1815March 28 – laying of the foundation stone of the Metropolitan Chapel (later known as the Catholic Pro-Cathedral), Marlborough Street, Dublin.Irelandsource
- 181730 September – national fever committee appointed to distribute government relief to victims of the typhus epidemic (October 1816–December 1819).Irelandsource
- 1820Regina Maria Roche publishes The Munster Cottage Boy: a Tale.Irelandsource
- 182419 November – Edward Kernan appointed Roman Catholic Bishop of Clogher, in succession to James Murphy, an office he will hold until 1844.Irelandsource
- 18265 January – Irish currency assimilated to that of Great Britain under terms of the Currency Act 1825.Irelandsource
- 1830The private Markree Observatory is set up.Irelandsource
- 183310 August – major fire in stores of The Custom House, Dublin, sets River Liffey aflame.Irelandsource
- 1837Shaw's Bank merges with the Royal Bank of Ireland (later to become one of the Allied Irish Banks).Irelandsource
- 1840Samuel Kelly, started his business as a "grocers and commission coal merchant" on Queen's Quay, Belfast, that would go on to become John Kelly Limited.Irelandsource
- 184415 December – Saint Malachy's Church, Belfast is dedicated by Dr William Crolly, Archbishop of Armagh and Primate of All Ireland.Irelandsource
- 1846Ongoing – Great Hunger: The first deaths from hunger take place early in the year. Phytophthora infestans almost totally destroys the summer potato crop and the Famine worsens considerably. By December a third of a million destitute people are employed on public works.Irelandsource
- 1849William Thompson began publication (in London) of The Natural History of Ireland, with the first volume, on birds.Irelandsource
- 1852Tenant farmer Michael O'Regan emigrates from County Tipperary to London. He will become paternal great-grandfather to Ronald Reagan, President of the United States.Irelandsource
- 18574 October – the Catholic St. Mary's Cathedral, Kilkenny, is opened.Irelandsource
- 1865Methodist College Belfast founded by the church; it will open to pupils in 1868.Irelandsource
- 1870The Water Colour Society of Ireland is founded as the Amateur Drawing Society by an informal group of six well-connected women from County Waterford.Irelandsource
- 1877May – Sophia Jex-Blake qualifies as a Licentiate of the King’s and Queen’s College of Physicians of Ireland (LKQCPI).Irelandsource
- 18826 May – Phoenix Park Murders: Lord Frederick Cavendish, the newly appointed Chief Secretary for Ireland, and Thomas Henry Burke, his Permanent Undersecretary (the primary target), are fatally stabbed in Phoenix Park, Dublin, by members of the "Irish National Invincibles" (militant Irish republicans).Irelandsource
- 1885Winners: Distillery 2–0 Limavady AlexanderIrelandsource
- 1888W. B. Yeats joins the Esoteric Section of the Theosophical Society.Irelandsource
- 1891Standish James O'Grady publishes Finn and his Companions.Irelandsource
- 189414 June – hooker Victory capsizes off Westport, County Mayo with the loss of at least 30 aboard.Irelandsource
20th century
71 entries, 1900 CE to 1984 CE — 25 shown, spread across the century
- 1900'Moira O'Neill' published Songs of the Glens of Antrim.Irelandsource
- 19022 June – The centenary of the Congregation of Christian Brothers was celebrated with High Mass in the Holy Name Cathedral, Chicago.Irelandsource
- 19038 March – Charles Gavan Duffy was buried at Glasnevin Cemetery in Dublin. He was laid to rest near others who took part in the Young Irelander Rebellion of 1848.Irelandsource
- 190326 February – The ocean liner SS Columbus was launched by Harland and Wolff in Belfast.Irelandsource
- 190516 February – Explosions caused by petrol fumes after refuelling on board the newly commissioned submarine HMS A5 killed six of the eleven crew at the Royal Navy's base in Haulbowline.Irelandsource
- 1908February – Republican leader Tom Clarke opened a tobacconist shop in Dublin under the name of T. S. Ó'Cléirigh which became a centre for Irish Republican Brotherhood activity.Irelandsource
- 1909The Mater Infirmorum Hospital in Belfast was officially recognised as a university teaching hospital.Irelandsource
- 1911Sir Samuel Kelly founded his family coal merchant business as a limited company with a capital of £50,000, as John Kelly Limited.Irelandsource
- 191326 August – Dublin Lock-out: members of James Larkin's Irish Transport and General Workers' Union employed by the Dublin United Tramways Company began strike action in defiance of the dismissal of trade union members by the chairman, businessman William Martin Murphy.Irelandsource
- 19157 May – Sinking of the Lusitania: British ocean liner RMS Lusitania was sunk by Imperial German Navy U-boat U-20 about 11 mi off Old Head of Kinsale, County Cork, killing 1,198 civilians en route from New York to Liverpool, among them the Irish-born art dealer and benefactor Sir Hugh Lane and Irish composer and conductor Thomas O'Brien Butler.Irelandsource
- 191625 April – Martial law was declared in Dublin by the British authorities for a period of one month.Irelandsource
- 19181 March – Imperial German Navy U-boat SM U-19 sank HMS Calgarian off Rathlin Island.Irelandsource
- 1919Seumas O'Kelly's novella The Golden Barque and The Weaver's Grave were published posthumously.Irelandsource
- 192020 September – "Sack of Balbriggan" in County Dublin: Black and Tans destroyed more than fifty properties in the town.Irelandsource
- 192210 December – anti-Treaty IRA men set fire to the home of Seán McGarry. His seven-year-old son, Emmet, is badly burned and dies.Irelandsource
- 192313 January – Beechpark, the residence of President W. T. Cosgrave in Ballyboden, Dublin, was set on fire.Irelandsource
- 19243 July – The Minister for Education, Eoin MacNeill, announced that the teaching of Irish was to be made compulsory in all schools.Irelandsource
- 1925George Bernard Shaw is awarded the Nobel Prize in Literature.Irelandsource
- 192812 December – the first Irish coinage is circulated in the state making complete the introduction of banknotes and coinage of the Irish Free State.Irelandsource
- 1930George Moore publishes Aphrodite in Aulis and A Flood.Irelandsource
- 19343 March – the third Theatre Royal, Dublin, closes.Irelandsource
- 1941Donagh MacDonagh's Veterans, and other poems was published.Irelandsource
- 19427 June – first mass held at the new Roman Catholic Cavan Cathedral (dedication 27 September).Irelandsource
- 19443 June – Maureen Flavin (Sweeney after marriage) recorded weather conditions at Blacksod Lighthouse, County Mayo indicating an approaching storm, which led to the 24-hour postponement of the Allied D-Day landings from 5 June to 6 June. The United States House of Representatives honoured Sweeney in 2021 with a medal and proclamation for her vital role in World War II.Irelandsource
- 1957May–September – Fethard-on-Sea Ne Temere boycott: a Roman Catholic priest and some of his parishioners organised a boycott of Protestant-owned local businesses.Irelandsource