1081 - 1090 AD  

1081 AD Mac Eniry / Mheic Angheiree the Heberian Eoghanacht Ui Fidgeinti Ui Cairbre Aebda King of Connello / Conaile was slain at the "Battle of Fermoy" near Thurles this year.

1084 AD *107.Turlough O Brian the Heberian Dal gCais 178th King of Ireland was not getting any younger and opportunities to retain the future overall Kingship of Ireland - without opposition was now in a state of flux due to the long running disruptions to the "Irish Brehon Law," created by the previous ongoing Teutonic Viking attacks that had by now occurred all over Ireland for nearly 300 years and the on and off nature of a future dynastic change in the overall leadership in Ireland, 109.Dunslieve mac Hoey / Donnsliebe mheic hEochada the Heremonin Dal Fiatach 56th King of Ulaid in the north - east of the Ulster Province this year gave gifts to a "possible" new up and coming contender in 112.Donough O Rourke /  Donnchad Ua Ruairc the Heremonian Dal Cuinn Ui Briuin Breifne King of West Breifne who had his kingdom in Co. Leitrim in the north of the Connacht Province. He was hoping to revive the "Fifth of Ulster" so that he  could be seen as a current "ally and rival" in the Ulster Province against the interests of *109.Donnell Mac Loughlin  / Domhnall Mheic Lochlainn who was now the the Heremonian Dal Cuinn "northern" Ui Niaill Cenel nEogain 51st King of Aileach who was also another Tanaiste / Contender for the overall Kingship of Ireland. *109.Donnell Mac Loughlin was to deal with the "ambitions" of 109.Dunslieve mac Hoey personally, while *107.Turlough O Brian the present 178th King of Ireland crushed any future intentions that 109.Donough O Rourke might have at the "Battle of Moin Cruinneoice" near Leixlip / Leim an Bhradain (The Salmon's Leap) in Co. Kildare in Central Southern Leinster. *107.Turlough O Brian was at this time trying to maintain his "own overall authority" throughout Ireland, and to this end he had previously left his main territory in the the Munster Province and carried out an "expedition" especially into the Heremonian Dal Cuinn "southern" Ui Niaill kingdom of Meath / Midhe in the south of Northern Leinster and then also throughout the Leinster Province generally. When *107.Turlough O Brian was away on this venture, 113.Rory na Saide Buide O Connor the Heremonian Dal Cuinn Ui Briuin Ui Conchobair 51st King of Connacht decided that this would be a good time also to express his own "future intentions," and with his Heremonian Dal Cuinn Ui Briuin Septs he had laid siege to *107.Turlough O Brian's personal territory in Co. Clare encompassing Tuamgraney, Moyno and Killaloe, in the north - west of the Munster Province, which was the Heberian Dal gCais Sept's region to the south of the Connacht Province, that was in reality geographically a part of it.

       108.Kennedy O Brian / Cenn Etig Ua Briain the Heberian Dalcassian King of Tulcha Oc, "died," this year, who was a son of 107.Lorcan O Brian who had died in 1078 AD, the son of *106.Donough mac Brian who had been the previous 42nd King of Cashel / Munster, and 176th King of Ireland - with opposition, (the son of *105.Brian Boru - of the Tributes the 175th High King of Ireland and 110.Gormlaith). 108.Kennedy O Brian had also been a brother to 108.Conor O Brian the previous King of Tulcha Oc who had died in 1078 AD the same year as his father. The demise of 108.Kennedy O Brian was to bring to an "end" their Heberian Ui Turlogh Ui mBriain male line descending from *106.Donough mac Brian altogether to the Munster Kingship and also to the Kingship of Ireland as from now on it would only be the "direct male" line emanating from *106.Donough mac Brian's older half - brother, 106.Teague mac Brian, whose death he had been personally implicated in, that would continue on the O Brian Ui Turlogh Ui mBriain Kingship line in Thomond / Northern Munster and Ireland.

1085 AD The church on the original site of St. Canice's / Kenneth's Cathedral was burnt down this year.

     112.Donough O Rourke the Heremonian Dal Cuinn Ui Briuin Breifne King of West Breifne who had his territory and kingdom in Co. Leitrim in the north of the Connacht Province still believed that he was in with a show towards the Kingship of Ireland also, and this year in an attempt to begin his campaign he laid siege to and burnt the region of Kilkenny in the kingdom of Ossory in Co. Kilkenny in the south - west of Southern Leinster, that was the Heremonian Ui Connla fortress of 112.Donnell mac Gilla Patrick / Domhnall  mheic Giolla Patraic (Fitz Patrick) the King of Ossory.   

1086 AD Summer: *107.Turlough O Brian the Heberian Dalcassian 43rd King of Cashel / Munster and the 178th King of Ireland, "died" at 77 years of age, whose father had been 106.Teague mac Brian who had predeceased him in 1023 AD, as the oldest surviving son of *105.Brian Boru the 175th High King of Ireland, and a half - paternal brother to *106.Donough mac Brian the previous 42nd King of Cashel / Munster and 176th King of Ireland. *107.Turlough O Brian's son, *108.Murtough / Muirchertach Mor O Brian - the Greater O Brian became the new Dal gCais King of Northern Munster / Thomond when he was crowned at Magh Adhair in Clooney - Quin by their Lord Marshalls the Mac Namaras. He would later also become the 44th King of Cashel / Munster, and eventually the "last" Heberian Dalcassian 180th King of Ireland and die in 1119 AD, and he immediately decided to begin his campaign to try and regain the Kingship of Ireland for the Dal gCais Ui mBriain Sept by first exerting his overall authority over the territory in Southern Leinster in Mogha's Half and then moved on to the Connacht Province to the north west of Co. Clare that was still under the control of 113.Rory na Saide Buide O Connor the Heremonian Dal Cuinn Ui Briuin 51st King of Connacht who not only "defeated" him, but also took him prisoner.

      113.Rory na Saide Buide O Connor then "allied" his Heremonian Dal Cuinn Ui Briuin forces with his Heremonian Dal Cuinn "northern" Ui Niaill Cenel nEogain kinsman, *109.Donnell O Loughlin / Ua Lochlainn who was the 51st King of Aileach in the Ulster Province, the son of 108.Ardgar / Ardgal O Loughlin who had been the previous 44th King of Aileach. in the north of Ulster Province, who had by now become the Heremonian 179th King of Ireland and remain so until 1119 AD and then outright until 1121 AD. To show *108.Murrough Mor O Brian who was now really in control in Ireland their Heremonian Dal Cuinn combined forces besieged his Heberian Dal gCais Sept's territory in the east of Co. Clare in Northern Munster as far south as Limerick in Co. Limerick and also ransacked the Heberian Dal gCais Ui mBriain fortress at Kincora in the north - east of Co. Clare where they captured many of the Dalcassian Princes and their Danish / Dubh Gall Viking allies. After first putting him in his place they eventually "released" *108.Murtough Mor O Brian who was still the King of Northern Munster / Thomond, but despite this setback he was as determined as ever to continue to try and also regain the Heberian Kingship of Cashel / Munster as he had not lost any of his original driving "ambition" to also eventually become the outright Heberian Dal gCais King of Ireland. To this end he then laid siege to 113.Rory na Saide Buide O Connor again in his Sept's territory to the north of Thomond in the Connacht Province and also plundered the north of Co. Tipperary in the north - east of the Munster Province where it adjoined Mogha's Half in Southern Leinster. He then went further to the north to the Ulster Province where he attacked the "Summer Fortress" / Grianan of Aileach belonging to the Heremon Dal Cuinn "northern" Ui Niaill Cenel nEogain Septs who were now under the leadership of *109.Donnell Mac Loughlin the Heremonian 179th King of Ireland, in the north - east there of Co. Donegal. Because of this particular effort *108.Murtough O Brian now gained a lot of support throughout Ireland toward gaining the outright overall Kingship of Ireland eventually for himself, and he then set out on a further victorious "circuit" of his own to assert that he now had the overall Heberian "authority" in Ireland once again.

    Mael Isa Ua Brolchain who was a priest and religious poet, who had written Crinoc, "died" this year, while on a pilgrimage to Lismore in Co. Waterford in the south - east of the Munster Province. 

1087 AD 112.Donnell mac Gilla Phadraig (Fitz Patrick), the Heremonian Ui Connla King of Ossory in Co. Kilkenny in the south - west of Southern Leinster, "died" this year after a long illness, who was a son of 111.Gilla Patraic mac Donnchada 11, a previous King of Ossory, and his son 113.Donough mac Donnell / Donnchad mheic Domhnaill was to become the new King of Ossory until 1089 AD.

      The "Battle of Connchail" in the territory of Corann in Co. Sligo in the north - west of the Connacht Province occurred, which was won by Rory O Connor - of the Yellow House, the son of Aed O Connor - of the Gapped Spears over Aed O Rourke, the son of Art O Rourke, where many of the Irish Septs from the Gaelic Milesian Irian kingdom of Conmaicne there in Connacht Province were slain.  

September 9th. William - the Conqueror "died" in Normandy, and on September 26th his third son, William 11 - Rufus the Red was crowned the new Teutonic Scandinavian Norman English King by Lanfranc the Norman Catholic Archbishop of Canterbury who also was to "die" this year in England, and his eventual successor as the Archbishop of Canterbury "St. Anselm of Bec" wrote to *108.Murtough Mor O Brian the Heberian Dal gCais King of Northern Munster Thomond who was still trying to become the 44th King of Cashel / Munster, leading onto the overall Kingship of Ireland, acknowledging him personally as the Heberian Dal gCais Ard - Ri / High King of Ireland also in regard to any matters relating to the "Irish Catholic Church."  

1088 AD William 11 / Rufus the Red, the son of William - the Conqueror, was now in as the new Scandinavian Norman King of England and *108.Murtough Mor O Brian the Heberian Dal gCais King of Northern Munster / Thomond , who was still juggling for recognition as the Heberian King of Cashel / Munster, made him a present of great "Oak" trees from Ireland, to timber the roof of "Westminster Hall," while Rufus the Red was personally engaged in making his own plans to try and "conquer" Ireland also for himself.

    Tierney / Tigernach  the Irish historian, "died" this year.

    mac Madden O Kennedy was the Heberian Dal gCais Ui Bloid Ui Turlough King of North - East Munster / Ormond in Co. Tipperary in the Munster Province.

1089 AD 113.Donough mac Donnell the Heremonian Ui Cobhthaigh Ui Connla King of Ossory in Co. Kilkenny in the south - west of Southern Leinster, "died" this year, who was a son of 112.Donnell mac Gilla Phadraig (Fitz Patrick), the previous King of Ossory, and 112.Finn O Keeley / Ua Caellaide was to become the new Heremonian Ui Connla King of Ossory until 1098 AD, who was a  great - great grandson of 109.Gilla Patraic mac Donnchada 1st a previous King of Ossory and his daughter 113.Gormley / Gormlaith was to marry Lynch O More / Loingsech Ua Morda the Gaelic Milesian Irian Ui Loigis King whose territory was nearby in Co. Offaly in the north - west of Southern Leinster.

1090 AD *109.Donnell Mac Loughlin / Mheic Lochlainn the Heremonian Dal Cuinn "northern" Ui Niaill Cenel nEogain 179th King of Ireland who now had strong "opposition" from *108.Murtough Mor O Brian the Heberian Dal gCais King of Northern Munster / Thomond "besieged" the Munster Province to re - establish his total "overall authority" there also and *108.Murtough Mor O Brian who was still trying to regain the Heberian Kingship of Cashel / Munster, had to "submit" to him.

     Aeducain was now to be the Bishop of Lismore in Co. Cork in Southern Munster until 1113 AD.

     John de Comyn the "first" Anglo - Norman Catholic Archbishop of Dublin built a Collegiate establishment on the site of St. Patrick's Church in Dublin in the north - east of Southern Leinster.

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