Year by Year
Explore Year by Year articles from the most modern historical year back to the oldest.
3,295 Articles Archived
Cashel Fortifications
Archived: 26 October 2026
In 995 the Annals of Inisfallen record Brian son of Cennétig strengthening Cashel, Inis Locha Gair, Inis Locha Sainglenn and numerous other structures. This programme demonstrated Dál Cais control of Munster’s traditional royal centre while securing resources and refuges against raiding. Annalistic dating varies for connected events, including killings among Leinster, Osraige and Déisi rulers and Armagh’s destruction by lightning-fire. The year also saw ecclesiastical succession at Emly, the death of the scribe and coarb Colla, and deaths of rulers linked to Dublin and Alba. Together, these events reveal Brian’s rising, yet contested, authority amid political violence and institutional vulnerability.
Sitriuc Silkbeard
Archived: 26 October 2026
In 994, Ireland’s annals recorded political and ecclesiastical change. Sitriuc Silkbeard was expelled from Dublin during a brief Hiberno-Scandinavian dynastic takeover linked to Ímar of Waterford and his son Ragnall, whose rule soon collapsed. Máel Sechnaill, king of Tara, burned Swords, demonstrating his coercive influence near unstable Dublin. Elsewhere, regional rulers including Fogartach of Corcu Trí, Áed, heir of Ailech, and Conn of Uí Fhailgi were killed. The deaths of Armagh’s bishop Máel Muire and Scattery’s vice-abbot Fínnechta underline church institutions’ central public role. These scattered notices reveal local violence, competitive kingship, vulnerable ecclesiastical settlements, and interconnected Irish Sea politics.
Mortality Crisis
Archived: 26 October 2026
Annals conventionally place 993 amid a major mortality of people, cattle and bees, though its cause, scale and chronology remain uncertain. This crisis threatened subsistence, wealth and ecclesiastical resources. Political violence killed several local rulers in the midlands, Connacht and west, revealing fragmented lordship and Máel Sechnaill’s interventions. Brian of Munster led a naval expedition from Lough Ree towards Bréifne, while Mide suffered devastation and Dublin’s Norse-Gaelic politics remained unsettled. Meanwhile, Muirecán, Patrick’s successor, visited Cenél nÉogain and publicly affirmed Áed’s royal standing. The notices portray interconnected warfare, church authority, riverine mobility and vulnerable rural life throughout Ireland in 993.
Mide Expedition
Archived: 26 October 2026
In 992, Irish annals record Máel Sechnaill mac Domnaill’s cattle-taking expedition into Connacht, demonstrating Mide’s military reach and the central value of livestock. Brian son of Cennétig subsequently led Munster and Connacht forces into Mide, apparently as a restrained but purposeful show of strength. Regional politics were further marked by deaths and probable violence among rulers in Tethba, Uí Diarmata and Corcu Baiscinn. Ecclesiastical succession affected Clonfert, Clonmacnoise and Inis Cathaig, institutions entwined with wealth and power. The records also illuminate rural dependence on livestock, Ireland’s trade connections, and a blood-red sky observed on St Stephen’s night, possibly an aurora.
Leinster Campaign
Archived: 26 October 2026
In 991, Brian son of Cennétig led an armed hosting from Munster into Leinster, where Tadc son of Donnchadh died and Cerrán Cnámchaille was killed in vengeance. The campaign demonstrated Brian’s expanding reach, although no conquest or settlement is recorded. Annals also report the treacherous killing of a prominent Tara-centred heir, but differ over his identity and the perpetrators, reflecting contested midland politics. Domnall Ua Dúngalaig died, as did Scandlán son of Tadc, erenagh of Cell Dá Lua, or Killaloe. These notices reveal power exercised through warfare, kinship, tribute, ecclesiastical offices and regional rivalries, rather than a unified Irish state.
Airbertach’s Ransom
Archived: 26 October 2026
In 990, Irish annals recorded dispersed connected conflicts involving kings, churches and maritime raiders. Máel Sechnaill of Mide defeated north Munster forces at Fordroma, where Domnall of Uí Fhorga died, demonstrating contested regional power rather than national unity. A son of Ímar left Waterford, while foreigners raided Ross Carbery and captured its lector, Airbertach mac Cos Dobráin. Brian son of Cennétig ransomed him at Scattery, displaying authority and resources. Brian’s brother Marcán became abbot of Emly, strengthening dynastic church links. Derry was plundered, and notices of a poet’s and a king’s deaths underline learning, ecclesiastical wealth, violence and political fragmentation.
Glún Iairn
Archived: 26 October 2026
The annals for 989 preserve a year of abrupt reversals. Ireland was not a single kingdom, nor was its political life divided neatly between ‘Irish’ and ‘Viking’. Kingship was exercised through shifting local alliances, hostage-taking, tribute, raiding and control of major churches. The most striking entry is the death of Glún Iairn, king of the foreigners of Dublin, killed while drunk by his own slave. Yet 989 mattered just as much in the north: Dún Lethglaise, modern Downpatrick, was plundered and burned; a ruler of the Isles was killed in Dál Riata; and the successor of St Patrick at Armagh acquired the successorship of Colum Cille with assent recorded from Ireland and Alba.
Brian’s Armada
Archived: 26 October 2026
In 988, Brian son of Cennétig, Munster’s dominant ruler, launched a fleet of 300 vessels onto Lough Ree, using the Shannon waterways to raid Mide and reach Uisneach. The expedition demonstrated mobilisation and challenged the political landscape dominated by Máel Sechnaill of Tara, but did not establish Brian’s rule over Ireland. A detachment of twenty-five boats entering Connacht suffered heavy losses, although it killed Muirgius, a Connacht royal heir; Dúnlang, a prominent ally, also died. Differing annalistic year systems complicate dating. The campaign formed part of Brian’s wider waterborne strategy, revealing ambition, logistical capacity, and the resilience of rival kingdoms.
Louth Oratory
Archived: 26 October 2026
In the annalistic sequence around 987, Ireland experienced severe insecurity from disease, livestock mortality and storm damage. The Annals of Tigernach describes a deadly eastern illness interpreted through demonic imagery, alongside the onset of máelgarb, an unusual cattle murrain whose precise nature remains uncertain. A great wind destroyed many buildings, including Louth’s oratory, disrupting a significant ecclesiastical centre. Differing annal dates prevent precise modern chronology. These reports illuminate vulnerabilities affecting households, churches and political economies dependent on cattle, labour and resources. They occurred amid Máel Sechnaill’s overkingship and Brian Bóruma’s rise, but do not establish an event for that year.
Patrick’s Shrine
Archived: 26 October 2026
In 986, an episode involving the shrine of St Patrick brought royal authority, local conflict and ecclesiastical privilege into unusually sharp focus. The surviving annals are brief, and their differing chronologies require care, but the central record is clear enough: Máel Sechnaill mac Domnaill, king of Tara and ruler of Mide, removed Patrick’s shrine from Áth Firdiad, modern Ardee, to Áth Sige during a war involving the sons of Cairellán. A settlement followed. The king then rendered what the annalist calls Patrick’s due: a visitation involving the men of Mide, clergy and laity alike, hospitality or a feast from every fortress, seven cumala, and further payments in full.
Some records do not yet have a verified historical year and are awaiting chronological placement.