Events from the 11th century in

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

1000s

;1002 *

Máel Sechnaill mac Domnaill Máel Sechnaill mac Domnaill ( ga, Maolsheachlann mac Domhnaill), also called Máel Sechnaill Mór or Máel Sechnaill II (949 – 2 September 1022), was a King of Mide and High King of Ireland. His great victory at the Battle of Tara aga ...

, without a battle, yields to

Brian Boru Brian Boru ( mga, Brian Bóruma mac Cennétig; modern ga, Brian Bóramha; 23 April 1014) was an Irish king who ended the domination of the High Kingship of Ireland by the Uí Néill and probably ended Viking invasion/domination of Ireland. Br ...

King of Munster The kings of Munster ( ga, Rí Mumhan), ruled from the establishment of Munster during the Irish Iron Age, until the High Middle Ages. According to Gaelic traditional history, laid out in works such as the '' Book of Invasions'', the earliest ...

who, effectively becomes King of Ireland and reigns until his death in 1014. *Brian Boru makes an expedition to the north to take hostages from the northern states. ;1005 *Brian Boru makes a second expedition to the north to take hostages from the northern states: during this expedition, he visited Armagh, making an offering of twenty ounces of gold to the church and confirming to the apostolic see of Saint Patrick, ecclesiastical supremacy over the whole of

(as recorded in the

Book of Armagh The ''Book of Armagh'' or Codex Ardmachanus (ar or 61) ( ga, Leabhar Ard Mhacha), also known as the ''Canon of Patrick'' and the ''Liber Ar(d)machanus'', is a 9th-century Irish illuminated manuscript written mainly in Latin. It is held by the L ...

). *Death of

Mael Ruanaidh Ua Dubhda Mael Ruanaidh Ua Dubhda, died 11th century in Ireland, 1005. Annanlistic references * ''1005. Maelruanaidh, son of Aedh Ua Dubhda, lord of Ui-Fiachrach-Muirisge, and his son, i.e. Maelseachlainn, and his brother, i.e. Gebhennach, son of Aedh, di ...

, King of Uí Fiachrach Muaidhe. ;1006 *Brian Boru makes a triumphal progress around

Leath Cuinn Leath Cuinn (Conn's Half) and Leath Moga (Mugh's half) are legendary ancient divisions of Ireland. Leath Cuinn was the island north of the Esker Riada (east-west drumlin belt from Dublin to Galway Bay). Conn Cétchathach, for whom this division ...

, taking hostages from every northern state, thus demonstrating he was undisputed King of Ireland. *Death of Cú Connacht mac Dundach. ;1007 *The Book of Kells is probably stolen from the

Abbey of Kells The Abbey of Kells (''Mainistir Cheanannais'' in Irish) is a former monastery in Kells, County Meath, Ireland, north of Dublin. It was founded in the early 9th century, and the Book of Kells was kept there during the later medieval and early ...

in County Meath for several months. ;1008 *

Gadhra Mór mac Dundach Gadhra Mór mac Dundach (died 1027) was King of Síol Anmchadha and Uí Maine. Biography Gadhra Mór was one of three known sons of Dundach, chief of the region extending from Grian to Caradh. The others were Diarmaid (died 998) and Cú Conna ...

became chief of

Síol Anmchadha Síol Anmchadha was a sub-kingdom or lordship of Uí Maine, and ruled by an offshoot of the Uí Maine called the Síol Anmchadha (''"the seed of Anmchadh"''), from whom the territory took its name. It was located in Connacht, Ireland. Histor ...

. *Death of

Madudan mac Gadhra Mór Madudan mac Gadhra Mór (died 1008) was the namesake and ancestor of the Ó Madden family. Madudan was the son of Gadhra Mór mac Dundach who fought at the Battle of Clontarf in 1014. The Annals of Ulster describe him as Chief of Síol Anmchadh ...

1010s

;1012 *

King of Leinster The kings of Leinster ( ga, Rí Laighín), ruled from the establishment of Leinster during the Irish Iron Age, until the 17th century Early Modern Ireland. According to Gaelic traditional history, laid out in works such as the ''Book of Invasion ...

Máel Mórda mac Murchada Malachy MacMurrough ( mga, Mael Mórda mac Murchada; modern ga, Máel Mórda mac Murchada; died 23 April 1014 AD) was King of Leinster, Ireland in the late 10th and early 11th century. Son of King Murchad mac Finn and brother of Gormflaith, he ...

, rises in revolt against High King Brian Boru. ;1013 *Brian Boru campaigned against the

Viking Vikings ; non, víkingr is the modern name given to seafaring people originally from Scandinavia (present-day Denmark, Norway and Sweden), who from the late 8th to the late 11th centuries raided, pirated, traded and se ...

s of Dublin under their King

Sigtrygg Silkbeard Sigtrygg II Silkbeard Olafsson (also Sihtric, SitricÓ Corráin, p. 123 and Sitrick in Irish texts; or SigtrygWinn, p. 46 and SigtryggrMac Manus, p. 278 in Scandinavian texts) was a Hiberno-Norse king of Dublin (possibly AD 989–994; restored ...

and North Leinster led by Máel Mórda Mac Murchada, following attacks by them on Brian's ally

. ;1014 *23 April:

Battle of Clontarf The Battle of Clontarf ( ga, Cath Chluain Tarbh) took place on 23 April 1014 at Clontarf, near Dublin, on the east coast of Ireland. It pitted an army led by Brian Boru, High King of Ireland, against a Norse-Irish alliance comprising the for ...

, at which the Vikings and men of North

Leinster Leinster ( ; ga, Laighin or ) is one of the provinces of Ireland, situated in the southeast and east of Ireland. The province comprises the ancient Kingdoms of Meath, Leinster and Osraige. Following the 12th-century Norman invasion of ...

are defeated by Brian Boru, who is killed in the battle as is Máel Mórda mac Murchada. ;1015 *

becomes chief of Uí Maine ;1016 *

Niall mac Eochada Niall mac Eochada (died 1063), Benjamin T. Hudson, ‘Niall mac Eochada (d. 1063)’, Oxford Dictionary of National Biography, Oxford University Press, 200accessed 18 April 2008/ref> was king of Ulaid from 1016. His father, Eochada mac Ardgair, d ...

becomes

king of Ulaid The King of Ulster (Old Irish: ''Rí Ulad'', Modern Irish: ''Rí Uladh'') also known as the King of Ulaid and King of the Ulaid, was any of the kings of the Irish provincial over-kingdom of Ulaid. The title rí in Chóicid, which means "king of ...

Benjamin T. Hudson, ‘Niall mac Eochada (d. 1063)’, Oxford Dictionary of National Biography, Oxford University Press, 200
accessed 18 April 2008
/ref> ;1017 * Death of

Cass Midhe Cass Midhe ("Cass of Meath"), Irish lawyer, died 1017. Cass Midhe or Cassmidhe is recorded as the lawgiver of Máel Sechnaill II, High King of Ireland (died 1022). What little is known of him is given in an account of his death, preserved in ...

, Irish lawyer

1020s

;1021 * Death of Mac Cú Ceanain, King of

Uí Díarmata Uí Díarmata was a local kingdom located in what is now north County Galway. Origins The ruling dynasty took its name from King Diarmait Finn of Connacht (died 833), and the territory in turn was named after them. It seems to have been created ...

. ;1022 * Niall mac Eochada defeats the Dublin Norse at sea. * Death of Mael Seachnaill II, Overking of the

Uí Néill The Uí Néill (Irish pronunciation: ; meaning "descendants of Niall") are Irish dynasties who claim descent from Niall Noígíallach (Niall of the Nine Hostages), a historical King of Tara who died c. 405. They are generally divided into t ...

, who had reigned since 980, and who became King of Ireland on the death of Brian Boru in 1014 and ruled until his death. ;1023 *Death of Tadc mac Briain, son of

;1024 and 1026 * Niall mac Eochada invades Dublin and take hostages. ;1027 * Death of

, King of

and Uí Maine.

1030s

;1030 *Death of Gormflaith (b. 960), daughter of Murchad mac Find, King of Leinster, and third wife of Brian Ború. ;1035 * Ragnall ua Ímair, King of Waterford slain by

. ;1036 *Sigtrygg Silkbeard driven out of Dublin by

Echmarcach mac Ragnaill Echmarcach mac Ragnaill (died 1064/1065) was a dominant figure in the eleventh-century Irish Sea region. At his height, he reigned as king over Dublin, the Isles, and perhaps the Rhinns of Galloway. The precise identity of Echmarcach's father ...

. ;1038 *First

cathedral A cathedral is a church that contains the '' cathedra'' () of a bishop, thus serving as the central church of a diocese, conference, or episcopate. Churches with the function of "cathedral" are usually specific to those Christian denominatio ...

built in Dublin *Echmarcach mac Ragnaill driven out of Dublin by

Ímar mac Arailt Ímar mac Arailt (died 1054) was an eleventh-century ruler of the Kingdom of Dublin and perhaps the Kingdom of the Isles. He was the son of a man named Aralt, and appears to have been a grandson of Amlaíb Cuarán, King of Northumbria and Dubli ...

, who then reigns as king.

1040s

;1041 *Death of Mac Beathaidh mac Ainmire, poet and

Chief Ollam of Ireland Chief may refer to: Title or rank Military and law enforcement * Chief master sergeant, the ninth, and highest, enlisted rank in the U.S. Air Force and U.S. Space Force * Chief of police, the head of a police department * Chief of the boa ...

. ;1042 *Death of Sigtrygg Silkbeard. ;1046 *Ímar mac Arailt was expelled from Dublin by Echmarcach mac Ragnaill, who then reigns as king.

1050s

;1052 * Echmarcach mac Ragnaill, King of Dublin is expelled from the town. ;1054 *30 April: A

tornado A tornado is a violently rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud. It is often referred to as a twister, whirlwind or cyclone, altho ...

hits Ros-deala (in modern County Westmeath)

1060s

;1064 *Donnchad, son of Brian Boru, dies in

Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...

, after being dethroned by his nephew. ;1069 * Madudan Reamhar Ua Madadhan became Chief of

1070s

;1070 * Death of Murchad mac Diarmata, a king of Leinster and Dublin, a son of

Diarmait mac Mail na mBo Diarmuid Ua Duibhne (Irish pronunciation: ) or Diarmid O'Dyna, also known as Diarmuid of the Love Spot, was a demigod, son of Donn and one of the Fianna in the Fenian Cycle of Irish mythology (traditionally set in the 2nd to 4th century). He ...

. ;1072 * Death of Diarmait mac Mail na mBo, a king of Leinster and a contender for the title of High King of Ireland. He was one of the most important and significant Kings in Ireland in the pre-Norman era. ;1075 * In a campaign against the

and their allies in the north, Muirchertach Ua Briain (son of Toirdelbach) is defeated by the Airgíalla near Áth Fhirdia (modern

Ardee Ardee (; , ) is a town and townland in County Louth, Ireland. It is located at the intersection of the N2, N52, and N33 roads. The town shows evidence of development from the thirteenth century onward but as a result of the continued deve ...

, County Louth) with heavy loss. ;1079 * Five

Jews Jews ( he, יְהוּדִים, , ) or Jewish people are an ethnoreligious group and nation originating from the Israelites Israelite origins and kingdom: "The first act in the long drama of Jewish history is the age of the Israelites""The ...

come from "over the sea" bringing gifts to Toirdelbach Ua Briain,

1080s

;1080 *Birth of Saint Ceallach (Celsus), (d

1129 Year 1129 ( MCXXIX) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. Events By place Europe * April 14 – Following the Capetian tradition, King Louis VI (the Fat) has his elde ...

), future abbot of Armagh. He will preside at the

synod of Rathbreasail A synod () is a council of a Christian denomination, usually convened to decide an issue of doctrine, administration or application. The word ''synod'' comes from the meaning "assembly" or "meeting" and is analogous with the Latin word meani ...

1111 Year 1111 (Roman numerals, MCXI) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Levant * Battle of Shaizar: Sultan Muhammad I Tapar, Muhammad I (Tapar) appoints Mawdud ...

. ;1081 *

Gruffudd ap Cynan Gruffudd ap Cynan ( 1137), sometimes written as Gruffydd ap Cynan, was King of Gwynedd from 1081 until his death in 1137. In the course of a long and eventful life, he became a key figure in Welsh resistance to Norman rule, and was rememb ...

, Irish-born claimant to the

Kingdom of Gwynedd The Kingdom of Gwynedd (Medieval Latin: ; Middle Welsh: ) was a Welsh kingdom and a Roman Empire successor state that emerged in sub-Roman Britain in the 5th century during the Anglo-Saxon settlement of Britain. Based in northwest Wales, th ...

, sails from

Waterford "Waterford remains the untaken city" , mapsize = 220px , pushpin_map = Ireland#Europe , pushpin_map_caption = Location within Ireland##Location within Europe , pushpin_relief = 1 , coordinates ...

St David's St Davids or St David's ( cy, Tyddewi, , "David's house”) is a city and a community (named St Davids and the Cathedral Close) with a cathedral in Pembrokeshire, Wales, lying on the River Alun. It is the resting place of Saint David, W ...

with an army of

Hiberno-Normans From the 12th century onwards, a group of Normans Norman invasion of Ireland, invaded and settled in Gaelic Ireland. These settlers later became known as Norman Irish or Hiberno-Normans. They originated mainly among Cambro-Normans, Cambro-Norm ...

to enforce his claim. ;1086 * Muirchertach Ua Briain becomes

and claimant to the Kingship of Ireland, and reigns until 1119. ;1088 *Birth of

Tairrdelbach Ua Conchobair Toirdhealbhach Mór Ua Conchobhair (old spelling: Tairrdelbach Mór Ua Conchobair; 1088 – 1156) anglicised Turlough Mór O'Conor, was King of Connacht (1106–1156) and High King of Ireland (ca. 1120–1156). Family background and early life ...

King of Connacht The Kings of Connacht were rulers of the ''cóiced'' (variously translated as portion, fifth, province) of Connacht, which lies west of the River Shannon, Ireland. However, the name only became applied to it in the early medieval era, being named ...

and High King of Ireland (d.

1156 Year 1156 ( MCLVI) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By place Levant * Spring – Raynald of Châtillon, prince of Antioch, makes an alliance with Thoros II (t ...

1090s

1095; *Death of Madudan Reamhar Ua Madadhan, Chief of

*Birth of

Saint Malachy Malachy (}; Modern ga, Maelmhaedhoc Ó Morgair; ) (1094 – 2 November 1148) is an Irish saint who was Archbishop of Armagh, to whom were attributed several miracles and an alleged vision of 112 popes later attributed to the apocryphal ...

(Middle Irish: Máel Máedóc Ua Morgair; Modern Irish: Maelmhaedhoc Ó Morgair) ;1096 * is consecrated the first

Bishop of Waterford The Bishop of Waterford was a medieval prelate, governing the Diocese of Waterford from its creation in the 11th century until it was absorbed into the new Roman Catholic Diocese of Waterford and Lismore in the 14th century. After the creation o ...

by Saint Anselm of Canterbury.

References

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