Before Christ 
10000bc
Ice Age ends
7000bc
First humans in Ireland come from
Scandinavia across land bridge from Scotland
3500bc
Neolithic man arrives; farming
introduced
1800bc
Early Bronze age
1200bc
Late Bronze age
600bc
Massaliot (Marseillais) Greek explorers
discover British Isles
Qreteni (Cruithin or Pretani) dominant
population in British Isles
510bc
Himilco the Phoenician visits Sacra
(Ireland)
500bc
Iron age people reach Great Britain
350bc
Aristotle writes of the islands Ierne
(Ireland) and Albion (Great Britain), which lie beyond the Celts
250bc
La Tène (Iron Age B) Celtae (mainly
Veneti of Brittany) land in SW Albion
100bc
Celtic-Germanic Belgae colonise south
coast of Albion Unknown date:.
Belgic tribes (Fir Builg) settle in
modern Ulster and Munster
55bc
Roman Empire under Julius Caesar
invades south-eastern Albion
54bc
South-eastern coast of Albion brought
under protection of Rome.
Dumnonii (Veneti or Loegrians) of
southwest Albion migrate to Caledonia
27bc
North Iberian Celts surrender to Roman
Empire
7bc
Jesus of Nazareth born
1st Century 
27
Jesus of Nazareth crucified by Romans
35
Civil war ensues in Roman Albion
(Britannia)
43
Emperor Claudius orders suppression of
fighting in Britannia; Roman army invades in force
78
Agricola begins full-scale pacification
of Great Britain
82
Agricola invades Galloway and
Strathclyde; incumbent Damnonian Gamanraid flee to modern
Connaught.
Agricola considers invasion of Iverna
(Hibernia) Unknown date:.
Loegrians (Lagin) settle in modern
Leinster
Ireland partitioned into four ``Parts''
- the Parts of the Iverni (or Erainn, a Belgic tribe), the Lagin,
Ol Nechnacht (i.e. the Damnonian Gamanraid) and the Uluti
(another Belgic tribe). 86Rising in Danubia causes redeployment
of Britannic legions; Roman expansion halted
2nd Century 
150
Feni from N. Iberia under Tuathal
Techtmar invade east coast of Ireland; colony of Midhe created.
Part of the Lagin reduced to vassal
state; Ireland now divided into five ``Fifths'' (Cúige).
199
Conn (of the Hundred Battles), grandson
of Techtmar (?) becomes King of Midhe?
Unknown date: Eoganachta from N.Iberia
or S. Gaul (?) under Mug Nuadat (Eogan) colonise modern Munster;
Belgic Erainn submit to Eoganachta rule.
Mug incites other provinces to rise
against the Connachta (tribe of Conn); Ireland divided into Leth
Cuinn (Conn's half) and Leth Moga (Mug's half)
3rd Century 
260
Gallienus becomes ruler of Rome; Empire
descends into anarchy
The High Kingdom305Constantine
proclaimed Roman Emperor.
Empire stabilises; Christianity becomes
official religion Unknown date: Irish Celts (principally Laigin)
colonise Anglesey and Lleyn in modern Wales; later driven out.
"Gael" enters common use,
describing Iberian Celts and their allies; Gaelic language based
on Iberian (Q-Celtic) dialects becomes lingua franca in Ireland.
High Kingdom founded at Tara in Midhe.
4th Century 
344
Picts and Irish begin raiding
Brittania; Irish christened "Scotti" by Romans.
375
Eochaid Mugmedon becomes King of Midhe?
Unknown date: Belgic tribes of Munster migrate to south Wales and
Cornwall; Ogham alphabet introduced back into Ireland from
colonies.
5th Century 
400
Niall (of the Nine Hostages), son of
Eochaid Mugmedon, becomes King of Midhe?
Unknown date: Connachta invade Part of
Ol Nechnacht and destroy ruling Domnonians; Cúige Connacht
founded.
Midhe carves out Airgiallan vassal
states from Cúige Ulaid.
Niall's sons, Connall and Eogain, found
states (Tír Connall, Inis Eogain and later Tír Eogain) in
Cúige Ulaid; incumbent Cruthin and Erainn (Old Scots) driven
east of the Bann.
Old Scots colonise Pictish lands around Strathclyde in Caledonia.
427
Niall dies, probably on a raid on
Brittania; Loegaire, Niall's son, becomes King of Midhe.
431
Palladius sent by Pope Celestine as
first Bishop to Ireland
432
St. Patrick begins mission in Ireland.
444
St.Patrick founds Ard Macha (Armagh)
near Emain Macha, capital of Ulster, as ecclesiastical capital of
Ireland.
493
St. Patrick dies (?)
6th Century 
500
Fergus Mac Erc, King of Dalriada, moves
his capital from Dunseverick to Caledonia.
546
St. Columba (Columcille) founds Derry.
555
St. Comgall founds monastery of Bangor.
563
St. Columba leaves Ireland for Iona
after being censured by Irish Synod.
Battle of Moin-daire-Lothair; Cruithnic
army defeated by force led by the Clan Connall and the Clan Owen.
574
St. Columba crowns Aedan King of
Dalriada on Iona.
575
St. Columba holds convention at
Gortinanima, near Limavady, to determine future of Scotland
(Caledonia).
590
St. Columbanus sails from Bangor and
starts mission in France
597
St. Columba dies on Iona.
7th Century 
603
St. Comgall dies in Bangor.
608
Aedan, King of Dalriada, dies.
627
Battle of Brae Slieve; Cruithnic
dynasty of Coleraine overthrown.
Congal Clane (One-Eye) becomes King of
the Old Scots.
628
Congal Clane kills the High King,
Suibne Menn of the Clan Owen.
Domnall, son of Hugh, becomes High
King.
629
Congal Clane kills King of Dalriada.
Battle of Dun Ceithirnn; O'Neill under
Domnall defeat Congal; Congal flees to Scotland.
637
Congal Clane returns with large army,
led by Domnall Brecc, grandson of Aedan.
Battle of Moira; Congal killed; Domnall
Brecc loses title to his Irish territories.
8th Century 
700
Brehon Laws - rights and status of all
defined based on tribal hierarchy
774
Last use of the term ``Cruthin'' in
Cúige Ulaid.
795
First recorded Viking raid
9th Century 
800
Book of Kells illuminated
841
Viking longphort established at Dublin
10th Century 
900
Cork, Limerick, Waterford founded by
Vikings
902
Dublin longphort abandoned
917
Walled city at Dublin founded by
Vikings
964
Dal Cais under Mahon (Mathgamain) seize
throne of Cashel
976
Brian Boru becomes King of Dal Cais
984
Brian Boru gains control of all of
Southern Ireland
997
Brian Boru and High King Malachy divide
Ireland between them
11th Century 
1002
Malachy cedes High Kingship to Brian
Boru
1014
Brian Boru killed fighting Vikings at
Clontarf; Viking power wanes
1066
William (the Conqueror), King of
Normandy, invades England
12th
Century 
Faction
Timeframe
1111
Synod of Rathbresail;
Ireland divided into 24 Dioceses and 2 Archbishoprics
1132
St Malachy becomes
Archbishop of Armagh
1152
Synod of Kells; 36
Dioceses and 4 Archbishoprics created
1154
Pope gives Norman King
Henry II of England permission to claim Ireland
1162
Murtough MacLochlainn
becomes High King
1164
Teampul More built at
Derry
1166
Murtough MacLochlainn
blinds captive King Eochaid of Dal Fiatach; killed in subsequent
rebellion.
Rory O'Connor becomes
High King.
Tiernan O'Rourke
invades Leinster to settle score with King Dermot MacMurrough;
MacMurrough flees to England.
MacMurrough pledges
allegiance to King Henry II; Richard FitzGilbert de Clare
(Strongbow), Earl of Pembroke, strikes deal with MacMurrough
1167MacMurrough returns to Leinster with small force
1169
Norman force lands at
Bannow Bay; Norse (Viking) settlement of Wexford defeated
1170
Raymond le Gros lands
at Baginbun.
Strongbow arrives with
troops; captures Waterford from Norsemen.
Strongbow marries Aoife
MacMurrough, daughter of Dermot
1171
Dermot MacMurrough
dies; Strongbow becomes King of Leinster.
Rory O'Connor besieges
Dublin; is defeateed by Normans.
Henry II arrives to
keep Strongbow in check; Strongbow submits and is granted Kingdom
of Leinster.
Dermot McCarthy, King
of Desmond, submits to Henry; southern kings and bishops follow
suit
1172
Hugh de Lacy appointed
Viceroy; given Kingdom of Meath.
Norman expansion begins
1175
Treaty of Windsor; Rory
O'Connor recognised as King of Connacht in return for tribute
1177
John de Courcy sets out
from Dublin to conquer Ulster
13th Century 
1245
Sligo castle built by Maurice
FitzGerald.
1270
Aedh O'Connor, King of Connacht,
defeats Normans at Athankip; Norman expansion grinds to halt
1297
Parliament at Dublin passes legislation
in attempt to prevent Norman lords going native
14th Century 
1314
English defeated at Bannockburn by
Robert the Bruce, King of Scotland
1315
Edward Bruce, brother of Robert, lands
at Larne; occupies Ulster with the aid of the O'Neills
1316
Bruce declares self High King of
Ireland
1317
Robert the Bruce arrives with army
1318
Murtough O'Brien defeats Richard de
Clare at Dysert O'Dea; Normans lose control of Thomond.
John de Bermingham defeats Edward Bruce
at Faughart; Bruce killed
1361
King Edward III appoints Lionel of
Clarence as King's Lieutenant (Justiciar)
1366
Lionel holds Parliament at Kilkenny;
imposes draconian Statutes in attempt to ensure English dominance
1394
King Richard II sends army to Ireland
1399
King Richard II sends army to Ireland
15th Century 
1477
Garret More Fitzgerald becomes Eighth
Earl of Kildare; elected Viceroy (Justiciar).
King Edward IV sends Lord Grey to
replace Garrett More; Grey unceremoniously sent back to England
1485
Battle of Bosworth Field in England;
Richard III killed.
Henry Tudor (VII) to throne; beginning
of Tudor dynasty of English kings
1487
Garret More supports pretender Lambert
Simmel; Simmel crowned Edward VI in Dublin
1494
Henry VII sends Sir Edward Poynings to
regain control of Ireland.
Poynings holds Parliament at Drogheda;
accuses Garret More of treason.
"Poynings' Law" passed :
Irish Parliament can only convene with consent of England and all
laws must be approved by England in advance
1495
Garret More arrested and taken to Tower
of London; reinstated as viceroy by Henry VII
16th Century 
1507
Henry VIII to throne
1510
Reformation begins
1513
Garret More dies; Garret Oge
Fitzgerald, son of Garret More, becomes viceroy
1534
Garret Oge summoned to London; leaves
his son, "Silken" Thomas, Lord Offaly, as Deputy.
Thomas misinformed that Garret Oge has
been beheaded; Thomas rebels
1535
Sir William Skeffington captures
Thomas's stronghold at Maynooth.
Silken Thomas surrenders
1536
Union of England and Wales.
George Browne appointed Archbishop of
Dublin; given task of reforming Irish Church
1537
Silken Thomas and five uncles executed
in London.
Henry VIII declared King of Ireland by
Irish Parliament.
Land declared ultimately the property
of the Crown, to be re-granted with the King's permission
1541
Henry VIII appoints self head of Church
of Ireland
1547
Edward VI to throne, aged 10
1549
Book of Common Prayer published in
England; beginning of Protestantism in Anglican Church
1553
Mary I to throne; restores Catholicism
in England
1556
Offaly and Leix (renamed King's and
Queen's Counties) plantation; settlers come from England or the
Pale
1558
Elizabeth I to throne
1559
Conn O'Neill, First Earl of Tyrone,
dies; Shane O'Neill succeeds him.
Hugh O'Neill, nephew of Shane, taken to
England by the Lord Deputy, Sir Henry Sidney
1560
Elizabeth restores Protestantism in
England.
Irish Parliament acknowledges Elizabeth
as head of Irish Church; imposes the Book of Common Prayer; makes
Church attendance compulsory
1562
Start of Elizabethan Wars
1565
Shane O'Neill's rising
1567
Death of Shane O'Neill; Hugh O'Neill
returns
1569
Catholic rebellion in northern England.
Sir Peter Carew lays claim to
Fitzgerald and Butler estates in Desmond.
James Maurice Fitzgerald leads
unsuccessful rebellion; escapes to Continent
1579
Fitzgerald returns with force from
Italy and Spain; wages unsuccessful war in support of
Catholicism.
Land forfeited to Crown for plantation
1585
Hugh O'Neill made Earl of Tyrone
1588
Spanish Armada launched against
England; defeated and wrecked on Scottish and Irish coasts.
Elizabeth orders survivors executed;
Ulster chiefs disobey
1592
Foundation of University of Dublin
1593
Hugh O'Neill declares himself The
O'Neill, heir of the High Kingdom
1594
Ulster chiefs rebel; start of Nine
Years' War
1598
O'Neill defeats Sir Henry Bagenal at
Yellow Ford.
Uprising in Munster destroys plantation
1599
Earl of Essex arrives with army;
outmanoeuvred by O'Neill
1600
Lord Mountjoy assumes control of Crown
forces; garrisons Ireland and destroys food stocks.
O'Neill asks for help from Spain
Thanks to Irish History on the Web where this info came from
Information from ``Ireland - A
History'' by Robert Kee, ``A Short History of Ireland'' by Martin
Wallace, ``The Cruthin'' by Ian Adamson, and other sources.