Events from the 10th 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 ...

900s

;900 * Death of Tadg mac Conchobair,

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 nam ...

* Death of Litan, abbot of

Tuam Tuam ( ; ga, Tuaim , meaning 'mound' or 'burial-place') is a town in Ireland and the second-largest settlement in County Galway. It is west of the midlands of Ireland, about north of Galway city. Humans have lived in the area since the Bronz ...

;902 *

Dublin Dublin (; , or ) is the capital and largest city of Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2016 ...

has been abandoned - the end of the

Longphort A longphort (Ir. plur. ''longphuirt'') is a term used in Ireland for a Viking ship enclosureConnolly S.J (1998). The Oxford Companion to Irish History. Oxford University Press. p. 580 or shore fortress. Although these ''longphorts'' were used as b ...

phase - the term used by modern scholars to refer to the earliest period of

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 s ...

settlement at

;904 *

Mughroin mac Sochlachan Mughroin mac Sochlachan was 30th King of Uí Maine, died 904). Mughroin mac Sochlachan is the first recorded king of Ui Maine since 844. He was the son of Sochlachan mac Diarmata and his brother's pedigree Murchadh mac Sochlachan (died 936) - wri ...

, 30th King of Uí Maine, died. ;908 * 13 September -

Flann Sinna Flann Sinna ( lit. ''Flann of the Shannon''; Irish: ''Flann na Sionainne''; 84725 May 916), also known as Flann mac Máel Sechnaill, was the son of Máel Sechnaill mac Máele Ruanaid of Clann Cholmáin, a branch of the Southern Uí Néill. He ...

slew

Cormac mac Cuilennáin Cormac mac Cuilennáin (died 13 September 908) was an Irish bishop and the king of Munster from 902 until his death at the Battle of Bellaghmoon. He was killed in Leinster. Cormac was regarded as a saintly figure after his death, and his shrin ...

, the king-bishop of Cashel and

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 ...

, at the battle of Belach Mughna, in

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 Ir ...

. ;909 * Death of

Sochlachan mac Diarmata Sochlachan mac Diarmata (died 909) was 31st King of Uí Maine U or u, is the twenty-first and sixth-to-last letter and fifth vowel letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European la ...

, 31st King of Uí Maine. * Death of

Cerball mac Muirecáin Cerball mac Muirecáin (died 909) was king of Leinster. He was the son of Muirecán mac Diarmata and a member of the Uí Fáeláin, the descendants of Fáelán mac Murchado (died 738), of one of three septs of the Uí Dúnlainge of modern County K ...

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 Invasio ...

910s

;911 *

Drogheda Drogheda ( , ; , meaning "bridge at the ford") is an industrial and port town in County Louth on the east coast of Ireland, north of Dublin. It is located on the Dublin–Belfast corridor on the east coast of Ireland, mostly in County Louth ...

is established as a Viking settlement on the

River Boyne The River Boyne ( ga, An Bhóinn or ''Abhainn na Bóinne'') is a river in Leinster, Ireland, the course of which is about long. It rises at Trinity Well, Newberry Hall, near Carbury, County Kildare, and flows towards the Northeast through C ...

. ;911 or 914 *A large Viking fleet arrives in

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 ...

and a second period of Viking raids begins.''The Oxford Illustrated History of Ireland.'' Foster, RF. Oxford University Press, Oxford. 1989 The Vikings also established a base in Waterford. ;916 * 25 May: death of Flann Sinna (b 847 or 848), the son of

Máel Sechnaill mac Máele Ruanaid Máel Sechnaill mac Máel Ruanaida (Modern Irish: ''Maolsheachlann Mac Maolruanaidh''), also known as Máel Sechnaill I, anglicised as Malachy MacMulrooney (died 27 November 862) was High King of Ireland. The Annals of Ulster use the Old Irish t ...

Clann Cholmáin Clann Cholmáin is the dynasty descended from Colmán Már mac Diarmato, son of Diarmait mac Cerbaill. Part of the Southern Uí Néill — they were the kings of Mide (Meath) — they traced their descent to Niall Noígiallach and his ...

, a branch of the southern

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 ...

. He was King of Mide from 877 onwards, following Donnchad mac Eochocain, and is counted as a High King of Ireland * Death of Mór ingen Cearbhaill, Queen of

Laigin The Laigin, modern spelling Laighin (), were a Gaelic population group of early Ireland. They gave their name to the Kingdom of Leinster, which in the medieval era was known in Irish as ''Cóiced Laigen'', meaning "Fifth/province of the Leinster ...

. ;917 * The

Annals of Ulster The ''Annals of Ulster'' ( ga, Annála Uladh) are annals of medieval Ireland. The entries span the years from 431 AD to 1540 AD. The entries up to 1489 AD were compiled in the late 15th century by the scribe Ruaidhrí Ó Luinín ...

records the arrival of two Viking fleets in Ireland in 917, one led by Ragnall and the other by Sigtrygg, both of the Uí Ímair kindred. They fought a battle against

Niall Glundub Niall is a male given name of Irish origin. The original meaning of the name is unknown, but popular modern sources have suggested that it means "champion" (derived from the Old Irish word ''niadh''),. According to John Ryan, Professor of Early an ...

in which the Irish were routed, and according to the annals Sigtrygg then "entered Áth Cliath", i.e. Dublin, which we must assume means that he took possession of it. Ragnall

Uí Ímair The Uí Ímair (; meaning ‘''scions of Ivar’''), also known as the Ivar Dynasty or Ivarids was a royal Norse-Gael dynasty which ruled much of the Irish Sea region, the Kingdom of Dublin, the western coast of Scotland, including the Hebrides ...

went on to

Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to th ...

, and then conquered York and became king there. ;919 *Niall Glúndub, overking of the Uí Néill, killed in the battle of Dublin. He fell fighting the Dublin Norse at Islandbridge.

920s

;922 *The Vikings establish a Longphort in

Limerick Limerick ( ; ga, Luimneach ) is a western city in Ireland situated within County Limerick. It is in the province of Munster and is located in the Mid-West which comprises part of the Southern Region. With a population of 94,192 at the 2016 ...

. *Death of

Muiredach Mac Domhnaill Muiredach (Old Irish), Muireadhach or Muireach, anglicized variously to Murdoch (disambiguation), Murdoch, Murtagh, Murray (surname), Murray, Murdac, Mordacq and other forms, is a Goidelic languages, Goidelic name (meaning "chieftain") popular in S ...

, abbot of Monasterboice, under whose auspices the great high cross was made. ;925 *Death of Tadg mac Cathail,

. ;926 or 941 *

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. ...

(d.1014), future High King of Ireland is thought to have been born in 926 or in 941. ;927 *Death of Sigtrygg Caech (or ''Sihtric''), a Norse-Gael

King of Dublin Vikings invaded the territory around Dublin in the 9th century, establishing the Norse Kingdom of Dublin, the earliest and longest-lasting Norse kingdom in Ireland. Its territory corresponded to most of present-day County Dublin. The Norse refer ...

who later reigned as king of

York York is a cathedral city with Roman Britain, Roman origins, sited at the confluence of the rivers River Ouse, Yorkshire, Ouse and River Foss, Foss in North Yorkshire, England. It is the historic county town of Yorkshire. The city has many hist ...

. His epithet means the 'Squinty'. He belonged to the

kindred. ;928 *Viking massacre of native Irish in

Dunmore Caves Dunmore Cave () is a limestone solutional cave in Ballyfoyle, County Kilkenny, Ireland. It is formed in Lower Carboniferous (Viséan) limestone of the Clogrenan Formation. It is a show cave open to the public, particularly well known for its r ...

County Kilkenny County Kilkenny ( gle, Contae Chill Chainnigh) is a county in Ireland. It is in the province of Leinster and is part of the South-East Region. It is named after the city of Kilkenny. Kilkenny County Council is the local authority for the ...

930s

;936 * Death of

, 32nd King of Uí Maine.

940s

;944 *Death of Donnchad Donn mac Flainn, King of Mide; he is succeeded by Oengus mac Donnchada.

950s

;956 *Death of Congalach Cnogba, High King of Ireland, of the

Síl nÁedo Sláine Síl nÁedo Sláine () are the descendants of Áed Sláine (Áed mac Diarmato), son of Diarmait mac Cerbaill. Part of the Southern Uí Néill—they were the kings of Brega—they claimed descent from Niall Noígiallach and his son Co ...

, part of the Southern Uí Néill. Domnall ua Néill becomes overking of the Uí Néill and reigns until his death in 980.

960s

;960 *

Gormflaith (modern spelling: or ) is an Irish language female given name meaning "blue princess" or "illustrious princess". is also a Gaelic mythological personification of Ireland. The word ' is a compound of the Irish words ' ("blue") and ' ("sovere ...

was born in

Naas Naas ( ; ga, Nás na Ríogh or ) is the county town of County Kildare in Ireland. In 2016, it had a population of 21,393, making it the second largest town in County Kildare after Newbridge. History The name of Naas has been recorded in th ...

County Kildare County Kildare ( ga, Contae Chill Dara) is a county in Ireland. It is in the province of Leinster and is part of the Eastern and Midland Region. It is named after the town of Kildare. Kildare County Council is the local authority for the ...

. She was the daughter of Murchad mac Find,

. She was also the mother of King Sigtrygg Silkbeard of Dublin. *Death of

Murchadh mac Aodha Murchadh mac Aodha (died 960) was 33rd King of Uí Maine. Reign and events Murchadh's reign is obscure. Some of the events recorded in Uí Maine, Connacht and Ireland during his lifetime include: * ''940.Cluain-mic-Nois ( Clonmacnoise) and Ci ...

, 33rd King of Uí Maine. ;964 * Mathgamain mac Cennetig, leader of the

Dál gCais The Dalcassians ( ga, Dál gCais ) are a Gaelic Irish clan, generally accepted by contemporary scholarship as being a branch of the Déisi Muman, that became very powerful in Ireland during the 10th century. Their genealogies claimed descent ...

from east

Clare Clare may refer to: Places Antarctica * Clare Range, a mountain range in Victoria Land Australia * Clare, South Australia, a town in the Clare Valley * Clare Valley, South Australia Canada * Clare (electoral district), an electoral district * Cl ...

, captures Cashel from the

Eóganachta The Eóganachta or Eoghanachta () were an Irish dynasty centred on Cashel which dominated southern Ireland (namely the Kingdom of Munster) from the 6/7th to the 10th centuries, and following that, in a restricted form, the Kingdom of Desmond, ...

. ;968 *

Battle of Sulcoit The Battle of Sulcoit was fought in the year 968 between the Irish of the Dál gCais, led by Brian Boru, and the Vikings of Limerick, led by Ivar of Limerick. It was a victory for the Dál gCais and marked the end of Norse expansion in Ireland ...

where Brian Boru and Mathgamain defeat

Ivar of Limerick Ivar of Limerick ( ga, Ímar Luimnich, rí Gall; Ímar ua Ímair; Ímar Ua hÍmair, Ard Rí Gall Muman ocus Gáedel; Íomhar Mór; non, Ívarr ; died 977), was the last Norse king of the city-state of Limerick, and penultimate ''King of the For ...

970s

;970 *A hoard of 43 silver and bronze items was left in a rocky cleft deep in

near Kilkenny. It consisted of silver, ingots and conical buttons woven from fine silver and was discovered in 1999. ;976 *Mathgamain, leader of the Dál gCais from east Clare, is killed. *Death of Muirchertach mac Mael Sechnaill, King of Mide. ;977 * Brian Bóruma has Ivar of Limerick killed. ;977/8 *Brian Bóruma defeats the last independent Norse of Limerick in the Battle of Cathair Cuan. ;978 *Brian Bóruma defeats Máel Muad mac Brain in the Battle of Belach Lechta and becomes

; death of Máel Muad mac Brain.

980s

;980 *Death of Domnall ua Néill, overking of the Uí Néill, who had reigned since 956: he is succeeded by Mael Seachnaill II, who reigned until his death in 1022''The Concise History of Ireland.'' Duffy, S. Gill & Macmillan, Dublin. 2005 * Battle of Tara, at which Mael Seachnaill II defeats a Viking army from Dublin. ;981 *Mael Seachnaill II besieges and takes the city of Dublin from the Vikings and imposes a heavy tribute on them. ;982 *The King of Munster, Brian Boru starts extending his authority from his base around

up the

River Shannon The River Shannon ( ga, Abhainn na Sionainne, ', '), at in length, is the longest river in the British Isles. It drains the Shannon River Basin, which has an area of , – approximately one fifth of the area of the island of Ireland. The Sha ...

. By doing so, he comes into conflict with High King Mael Seachnaill II whose power base is the Province of Meath. It is that start of a conflict that lasts until 997. ;985 *Death of

Muirgus mac Domnaill Muirgus mac Domnaill (died 985) was 35th King of Uí Maine. Muirgus's time is not noted in the Irish annals A number of Irish annals, of which the earliest was the Chronicle of Ireland, were compiled up to and shortly after the end of the 1 ...

, 35th King of Uí Maine. ;986 *Death of

Mór ingen Donnchadha Mór ingen Donnchadha was the Queen of Ireland. She died in 986 AD. See also * Mór (Irish name) Notes and references 10th-century Irish people 10th-century Irish women Irish royal consorts 986 deaths Year of birth unknown {{Ir ...

Queen of Ireland Queen or QUEEN may refer to: Monarchy * Queen regnant, a female monarch of a Kingdom ** List of queens regnant * Queen consort, the wife of a reigning king * Queen dowager, the widow of a king * Queen mother, a queen dowager who is the mother ...

;989 *Sigtrygg Silkbeard becomes King of Dublin

990s

;990 *

Castlekeeran Castlekeeran is a former monastery and a National Monument in County Meath, Ireland. Location Castlekeeran survives as a walled graveyard, south of Carnaross and on the south bank of the Leinster Blackwater. History Castlekeeran was founde ...

raided by the Vikings. ;997 *Brian Boru and Mael Seachnaill II divide Ireland between them * ;998 *King Mael Mordha of Leinster, rebelled against the High King of Ireland, Brian Boru. ;999 *Brian Boru defeats the Leinstermen and the Vikings at the Battle of Glenn Mama. Sigtrygg Silkbeard, King of Dublin, submits to him. Brian plunders the city. *Death of Muirgheas mac Aedh, 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 ...

1000s

;1000 *Brian Boru led a combined Munster-Leinster-Dublin army in an attack on High King Máel Sechnaill II's home province of Meath.

Notes

{{DEFAULTSORT:10th Century In Ireland