An chroinic — the chronicle

The timeline of Irish history

Every dated event in the atlas, in one scroll — 160 entries across ten thousand years, each with a source. Click an era heading for its full story, or an event's ↗ for the article behind it.

The First Irish 8,000 BC – 4,001 BC

7,900 BC
Mount Sandel
Ireland's oldest known settlement: hunter-gatherer huts above the Bann, near Coleraine.
6,500 BC
An island fully peopled
Mesolithic camps from Lough Boora to Ferriter's Cove — the whole island is now home.

The Tomb Builders 4,000 BC – 2,501 BC

3,800 BC
The first farms
Cattle, wheat and polished stone axes arrive by boat; the forest clearances begin.
3,700 BC
Céide Fields
In Mayo, an entire landscape of walled fields is laid out — the oldest known field system on Earth.
3,600 BC
Poulnabrone dolmen
Burials begin at the Burren's portal tomb, a thousand years before Giza.
3,200 BC
Newgrange built
The great passage tomb rises in the Boyne valley, aligned on the midwinter sunrise.

The Age of Gold & Bronze 2,500 BC – 501 BC

2,400 BC
Ross Island copper mines
At Killarney, some of north-west Europe's earliest copper mining begins.
2,100 BC
The age of gold
Irish smiths hammer crescent-moon lunulae; Ireland becomes a goldworking power.
900 BC
The Dowris hoard age
Late Bronze Age Ireland at its richest: great horns, cauldrons and buried treasure.

The Iron Age 500 BC – AD 99

500 BC
Iron comes to Ireland
The new metal spreads; the age of the royal sites begins.
148 BC
Corlea trackway
A great oak road is laid across a Longford bog — and swallowed within a decade.
95 BC
Emain Macha transformed
The Ulaid capital's great mound is ritually built and burned — on purpose.
100 BC
Broighter gold
A tiny golden boat with oars, perhaps an offering to the sea-god Manannán, is buried near Lough Foyle.
AD 60
Rome looks across
Agricola muses that Ireland could be taken 'with one legion'; finds at Drumanagh show busy Roman trade instead.

Ptolemy's Ireland AD 100 – AD 399

AD 150
Ptolemy maps Ireland
Sixteen tribes, rivers and a mystery city — the first written picture of the island.
AD 367
The Great Conspiracy
Irish 'Scotti' join Picts and Saxons in a coordinated assault on Roman Britain.

The Five Fifths AD 400 – AD 431

AD 431
Palladius sent to Ireland
Pope Celestine sends Palladius as first bishop 'to the Irish believing in Christ' — a year before Patrick.

Patrick & the Rise of the Uí Néill AD 432 – AD 546

AD 432
St Patrick's mission begins
Traditional date of Patrick's return to Ireland as a missionary bishop.
AD 546
Derry founded
Colmcille (Columba) founds his monastery of Doire — the oak grove.

Saints & Scholars AD 547 – AD 794

AD 561
Battle of Cúl Dreimhne
The 'Battle of the Book', fought, tradition says, over the first copyright dispute in history.
AD 563
Iona founded
Colmcille sails into exile and founds Iona, powerhouse of the Gaelic church in Britain.
AD 575
Convention of Druim Cett
Kings and clerics meet near Limavady; Colmcille defends the honour of the poets.
AD 590
Columbanus sails for Gaul
The great Irish missionary begins the journeys that end at Bobbio in Italy.
AD 632
Cummian's Easter letter
Irish scholars debate the dating of Easter — science, scripture and politics entangled.
AD 664
The Yellow Plague
A devastating pandemic sweeps Ireland; annals record monasteries emptied.
AD 697
Cáin Adomnáin
The 'Law of the Innocents', proclaimed at Birr — an early code protecting women and non-combatants in war.

The Viking Storm AD 795 – AD 901

AD 795
First Viking raids
Dragon-ships strike Rathlin and Lambay; the monastic golden age meets the sea-raiders.
AD 806
Iona massacre
68 monks killed; the community withdraws to Kells with (probably) the great gospel book.
AD 837
Great fleets on Boyne and Liffey
Sixty-ship Viking fleets penetrate deep inland; raids become invasions.
AD 841
Dublin founded
A Viking longphort is established at the black pool, Duiblinn, Ireland's first town.
AD 866
Áed Findliath burns the longphorts
The northern king clears Viking bases from the north coast.

Norse Cities & the Rise of Brian AD 902 – 1013

AD 902
Vikings expelled from Dublin
Irish kings storm the town; the Norse decamp — for a generation.
AD 914
Waterford founded
A new Norse fleet establishes Veðrafjǫrðr — Ireland's oldest continuous city.
AD 919
Battle of Islandbridge
The returned Dublin Norse kill High King Niall Glúndub and five other kings.
AD 922
Norse Limerick founded
A Viking fleet plants itself on the Shannon at Inis Sibhtonn.
AD 967
Dál gCais sack Limerick
Mathgamain and his brother Brian break Norse Limerick at Sulcoit.
AD 976
Brian Boru king of Munster
Brian succeeds his murdered brother and takes Cashel.
AD 980
Battle of Tara
Máel Sechnaill defeats Dublin; the Norse towns become tributary prizes.
AD 999
Battle of Glen Máma
Brian crushes Leinster and Dublin, then famously winters in the captured town.
1002
Brian Boru High King
Máel Sechnaill yields; a Munster king holds Tara's title for the first time.
1005
'Emperor of the Irish'
At Armagh, Brian's secretary writes him into the Book of Armagh as Imperator Scotorum.

Kings with Opposition 1014 – 1168

1014
Battle of Clontarf
Brian's forces break Leinster and its Norse allies; Brian is killed at the moment of victory.
1028
Christ Church founded
Sitriuc Silkbeard, Norse king of Dublin, founds the cathedral after a pilgrimage to Rome.
1101
Cashel granted to the Church
Muirchertach O'Brien hands the rock of kings to the bishops.
1111
Synod of Ráth Breasail
Ireland's church is reorganised into territorial dioceses — largely the map still used.
1142
Mellifont Abbey
The first Cistercian house in Ireland rises in the Boyne valley.
1152
Dervorgilla abducted
Diarmait Mac Murchada carries off O'Rourke's wife — a feud with world-historical consequences.
1166
Diarmait exiled
Driven out by his enemies, the king of Leinster sails to seek Henry II's help.

The Norman Invasion 1169 – 1249

1169
Normans land at Bannow
May: the first mail-clad companies come ashore in Wexford at Diarmait's invitation.
1170
Strongbow takes Waterford
The earl storms the city and marries Aoife beneath its walls — Ireland as dowry.
1171
Henry II lands
The English king arrives with 400 ships — to master his own barons as much as Ireland.
1175
Treaty of Windsor
Rory O'Connor accepts high kingship of the unconquered lands under Henry's lordship.
1177
De Courcy invades Ulster
With 22 knights John de Courcy seizes Downpatrick and carves out a private earldom.
1210
King John in Ireland
John humbles his barons and extends English law — the colony's high-water administration.
1235
Conquest of Connacht
Richard de Burgh overruns the west; the O'Connors keep only a 'king's cantred'.

High Tide of the Colony 1250 – 1333

1258
Brian O'Neill's bid
Gaelic kings offer Brian O'Neill the high kingship; the attempt dies at Downpatrick in 1260.
1297
First shired parliament
Dublin summons knights of the shires — Ireland's parliamentary tradition begins.
1315
Bruce invasion
Edward Bruce lands at Larne with a Scots army; three years of war and famine follow.
1316
Edward Bruce crowned
Near Dundalk, Scotland's prince is crowned King of Ireland.
1318
Faughart and Dysert O'Dea
Bruce is killed; in Clare the O'Briens destroy the de Clares — Thomond stays Gaelic.
1333
Murder of the Brown Earl
The last resident earl of Ulster is killed; Norman Connacht and Ulster begin to unravel.

The Gaelic Resurgence 1334 – 1469

1348
Black Death arrives
Plague enters through the ports, killing perhaps a third of the colonists' towns.
1366
Statutes of Kilkenny
The colony legislates against Irish speech, marriage, poets and hurling — in vain.
1394
Richard II's expedition
The largest royal army of the Middle Ages lands; Art MacMurrough submits, then shrugs it off.

The Kildare Ascendancy 1470 – 1541

1477
Gearóid Mór becomes Earl of Kildare
The 'Great Earl' begins six decades of FitzGerald dominance.
1487
Lambert Simnel crowned in Dublin
Ireland crowns a boy pretender King of England in Christ Church Cathedral.
1494
Poynings' Law
The Irish parliament is barred from meeting or legislating without English approval.
1504
Battle of Knockdoe
Kildare marshals half of Ireland, Gaelic and English, against Clanricarde — a private war on a national scale.
1534
Silken Thomas rebels
The Kildare heir renounces allegiance; the rebellion's failure destroys the house of Kildare.
1541
'King of Ireland'
Henry VIII takes the royal title, replacing the medieval papal lordship.

The Tudor Conquest 1542 – 1607

1556
Plantation of Laois–Offaly
The midland lordships become 'Queen's County' and 'King's County' — the first plantation.
1569
Desmond rebellions begin
The Munster Geraldines rise against Tudor encroachment.
1583
Fall of Desmond
The last earl is hunted down in the Kerry mountains; Munster lies waste for plantation.
1588
Armada on the coast
Some two dozen Spanish ships wreck on Irish shores; most survivors are killed, some sheltered.
1592
Trinity College founded
Elizabeth charters Dublin's university on a dissolved monastery.
1593
Grace O'Malley meets Elizabeth
The Mayo pirate queen negotiates at Greenwich — in Latin.
1594
Nine Years' War begins
Hugh O'Neill and Red Hugh O'Donnell lead Gaelic Ulster's last great war.
1598
Battle of the Yellow Ford
O'Neill destroys an English army — the worst defeat England ever suffered in Ireland.
1601
Kinsale
A Spanish force lands in the wrong province; the winter march south ends in catastrophic defeat.
1603
Treaty of Mellifont
O'Neill submits days after Elizabeth's death; the Gaelic order's war is over.
1607
Flight of the Earls
O'Neill and O'Donnell sail from Rathmullan into exile — and never return.

The Plantation of Ulster 1608 – 1640

1609
Ulster Plantation planned
Six escheated counties are surveyed for English and Scottish settlement.
1613
Londonderry chartered
The City of London's companies take ownership of the rebuilt, walled Derry.
1632
The Four Masters begin their Annals
In a Donegal friary, Mícheál Ó Cléirigh and three companions begin compiling the Annals of the Kingdom of Ireland — rescuing a thousand years of history as the old order dies.

Confederate Ireland & Cromwell 1641 – 1652

1641
The 1641 Rising
Ulster explodes; massacre and counter-massacre begin eleven years of war.
1642
Confederation of Kilkenny
Catholic Ireland forms its own government, mint and army; Owen Roe O'Neill returns from Spain.
1646
Battle of Benburb
Owen Roe annihilates Monro's Scots army on the Blackwater.
1649
Cromwell at Drogheda
The storm of Drogheda and Wexford opens the most bitter conquest in Irish memory.
1652
Act of Settlement
Mass confiscation: Catholic landowners are ordered west — 'to Hell or to Connacht'.

Ascendancy Ireland 1653 – 1800

1660
Restoration
Charles II restored; some land returned, most confiscations confirmed.
1681
Oliver Plunkett executed
The Archbishop of Armagh dies at Tyburn on perjured evidence — the last Catholic martyr there.
1689
Siege of Derry
105 days behind shut gates: 'No Surrender' enters the language.
1690
Battle of the Boyne
William defeats James by the river; the war (and the ascendancy) is decided.
1691
Aughrim and Limerick
The bloodiest battle on Irish soil, then a treaty broken 'before the ink was dry'; the Wild Geese sail for France.
1695
Penal Laws begin
A generation of statutes strips Catholics of land, arms, education and office.
1713
Swift made Dean
Jonathan Swift takes St Patrick's — and becomes the ascendancy's fiercest satirist of England.
1741
Bliain an Áir
The forgotten famine: arctic weather kills perhaps one person in eight.
1742
Messiah premieres in Dublin
Handel's Messiah is heard for the first time anywhere — in Fishamble Street's Musick Hall, for charity; ladies were asked to come without hoops to fit more people in.
1745
The Rotunda founded
Bartholomew Mosse opens the first purpose-built maternity hospital in these islands — Dublin's Rotunda, still delivering babies today.
1759
Guinness signs the lease
Arthur Guinness takes St James's Gate — for 9,000 years at £45 a year.
1782
Grattan's Parliament
Legislative independence won by Volunteer pressure: 'Ireland is now a nation'.
1791
United Irishmen founded
Belfast Presbyterians and Dublin radicals unite 'Protestant, Catholic and Dissenter'.
1795
Orange Order founded
After the Battle of the Diamond in Armagh, a new loyal institution is born.
1796
French fleet at Bantry
43 ships and 14,000 men are scattered by storms within sight of land — 'England's luckiest escape'.
1798
The 1798 Rising
Wexford, Antrim, Down and Mayo rise; perhaps 30,000 die in the bloodiest summer of modern Irish history.
1800
Act of Union passed
Bought with peerages and gold, the Irish parliament votes itself out of existence.

The Act of Union 1801 – 1844

1803
Emmet's rising
Robert Emmet's rebellion fails in a night; his speech from the dock lives for a century.
1829
Catholic Emancipation
O'Connell's mass movement forces open the doors of parliament.
1843
Monster meeting at Tara
Up to three-quarters of a million gather for Repeal — the largest crowd in Irish history.

An Gorta Mór — The Great Famine 1845 – 1852

1845
The blight arrives
Phytophthora infestans reaches a nation of eight and a half million, one-third living on the potato.
1847
Black '47
The famine's worst year: fever, evictions, coffin ships — and food exports under guard.
1848
Young Ireland rising
A skirmish in a Tipperary cabbage garden; its tricolour flag, first flown that spring, endures.

Land & Liberty 1853 – 1915

1858
The Fenians
The Irish Republican Brotherhood is founded in Dublin and New York on the same day, by design.
1866
The transatlantic cable at Valentia
From Valentia Island, Kerry, the first fully successful telegraph cable to America goes live — Europe and the New World now minutes, not weeks, apart.
1867
Fenian rising
The rebellion fizzles, but the Manchester Martyrs' deaths ignite a generation.
1879
Land War begins
Davitt's Land League rises in Mayo — the same year as the apparition at Knock.
1880
Captain Boycott ostracised
Mayo invents a word the whole world adopts within weeks.
1884
GAA founded
In Hayes's Hotel, Thurles, seven men organise Gaelic games into a national movement.
1886
First Home Rule Bill
Gladstone converts to Irish self-government; the bill splits his party and fails.
1893
Gaelic League founded
Douglas Hyde's movement to 'de-anglicise Ireland' — nursery of a revolutionary generation.
1904
Abbey Theatre opens
Yeats and Lady Gregory give the revival a national stage.
1907
The Crown Jewels vanish
The Irish Crown Jewels are discovered missing from Dublin Castle days before a royal visit. Despite a viceregal commission, they have never been found.
1912
Ulster Covenant
471,000 sign against Home Rule, some in blood; Belfast launches Titanic the same year.
1913
Lockout and Volunteers
Dublin's great labour war; rival volunteer armies begin to drill.

The Revolution 1916 – 1921

1916
The Easter Rising
The Republic is proclaimed at the GPO; sixteen executions transform its defeat.
1918
Sinn Féin landslide
The general election sweeps away the old party; women over 30 vote for the first time.
1919
First Dáil
The elected members convene in the Mansion House; the same day, shots at Soloheadbeg open the War of Independence.
1920
Bloody Sunday
Croke Park is fired on after Collins's dawn strike; Cork city burns a month later; partition passes at Westminster.
1921
Truce and Treaty
July truce, December Treaty: dominion status for 26 counties — 'the freedom to achieve freedom'.

Partition — Free State & Northern Ireland 1922 – 1936

1922
Free State and Civil War
The Four Courts are shelled in June; the state is born fighting itself; Collins dies at Béal na Bláth.
1923
Ceasefire — and a Nobel
The Civil War ends; W.B. Yeats wins the Nobel Prize for Literature.
1925
Boundary Commission buried
The border stays exactly as drawn; the report is suppressed for 44 years.
1926
Radio Éireann's first broadcast
2RN opens with Douglas Hyde; Fianna Fáil is founded the same year.
1932
De Valera takes power
The Civil War's losers win the state by ballot — and hand it over peacefully is proven possible.

Éire 1937 – 1948

1937
Bunreacht na hÉireann
A new constitution: the state is simply 'Ireland / Éire'.
1939
The Emergency
Ireland declares neutrality; 70,000 southern volunteers nonetheless join British forces.
1941
Belfast Blitz
Over 900 die in one April night; Dublin sends its fire brigades north across the border.
1944
Blacksod weather report
A Mayo lighthouse reading delays D-Day by 24 hours — and saves it.

The Republic & the Troubles 1949 – 1997

1949
Republic of Ireland
The state leaves the Commonwealth; the Republic is formally declared at Easter.
1955
Ireland joins the UN
A small state finds a big diplomatic voice — peacekeeping becomes an Irish trade.
1958
Economic Development
Whitaker's grey paper ends protectionism and begins the modern economy.
1961
Telefís Éireann
Irish television begins on New Year's Eve.
1963
JFK comes home
The first Catholic US president visits New Ross — 'the best four days of my life'.
1969
The Troubles begin
The Battle of the Bogside and the burning of Bombay Street; British troops deploy.
1972
Bloody Sunday and Direct Rule
Thirteen die in Derry; Stormont falls; the Republic votes to join Europe.
1973
Into the EEC
Ireland (and the UK) join the European Community — the border becomes, for a while, invisible to trade.
1974
Dublin–Monaghan bombings
33 die in the Troubles' deadliest single day — in the Republic.
1979
The Pope in Ireland
A third of the population attends a single Mass in the Phoenix Park.
1981
Hunger strikes
Ten men die in the Maze; Bobby Sands is elected MP from his prison bed.
1985
Anglo-Irish Agreement
Dublin gains a formal voice in Northern affairs; unionism protests en masse.
1990
Mary Robinson elected
Ireland's first woman president: 'Instead of rocking the cradle, they rocked the system'.
1994
Ceasefires — and Riverdance
The guns fall silent in August; a Eurovision interval act conquers the world in April.

Peace & the New Ireland 1998 – 2026

1998
Good Friday Agreement
Peace by consent, endorsed North and South — weeks later Omagh shows its cost.
2002
The euro arrives
The punt passes into history.
2008
Crash
The Celtic Tiger dies overnight; the bank guarantee mortgages a decade.
2011
A royal first
Elizabeth II visits and speaks Irish at Dublin Castle — the first reigning monarch since 1911.
2015
Marriage referendum
Ireland becomes the first country to introduce same-sex marriage by popular vote.
2018
The Eighth repealed
A two-thirds majority rewrites the constitution on abortion.
2020
Pandemic and Protocol
Covid closes the island; Brexit redraws the border question in customs paperwork.
2021
Eight million again
The island's population passes its pre-Famine level for the first time in 176 years.
Quick answers
When does Irish history begin?

Human settlement in Ireland begins around 8000 BC, after the last Ice Age; the oldest known site is Mount Sandel on the River Bann, c. 7900 BC. Written history begins with Ptolemy's map (c. 150 AD) and the coming of Christianity in the 5th century.

What are the major turning points of Irish history?

Commonly cited turning points include the arrival of Christianity (5th century), the first Viking raids (795), the Anglo-Norman invasion (1169), the Tudor conquest and the Flight of the Earls (1607), the Plantation of Ulster, the Great Famine (1845–52), the Easter Rising (1916), and partition and independence (1921–22).

↗ links go to Wikipedia articles (CC BY-SA 4.0). Missing something? Suggest an event — with a source.