Archived: 26 September 2026
Abstract
In 1185, eighteen-year-old John, Lord of Ireland, landed with an Anglo-Norman expedition intended to strengthen royal authority and curb magnates such as Hugh de Lacy. His poor diplomacy, disputed by Gerald of Wales in detail but evident in outcome, alienated Gaelic rulers and settlers alike. Castles in Munster provoked resistance and military losses, while dynastic wars continued across Connacht and Ulster independently of John’s aims. Town charters, notably Cork’s, and grants to newcomers including Theobald Walter encouraged lasting colonial institutions. Churches, learning, trade and cattle-based livelihoods persisted amid warfare. John’s December departure secured no general obedience, but strengthened royal footholds.
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Archived: 26 September 2026
Abstract
In 1184, Ireland remained divided between Anglo-Norman lordships, Irish kings and Henry II’s limited royal administration. Philip of Worcester replaced Hugh de Lacy as governor, signalling efforts to prepare John’s projected lordship and restrain de Lacy’s power. In western Meath, Art Ua Máelshechlainn was murdered amid settler interference, and his successor joined Conchobar Máenmaige in destroying a settler castle, while another rose at Killare. Ruaidrí Ua Conchobair and Conchobar fought for Connacht. Meath settlers plundered Armagh, whose leadership was disputed. Assaroe received patronage, Clones burned, and castles, warfare and changing lordship burdened rural communities in an increasingly unstable frontier landscape.
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Archived: 26 September 2026
Abstract
Ireland in 1183 remained fragmented between Gaelic kingdoms and expanding Anglo-Norman lordships, with Henry II’s overlordship largely remote. The pivotal event was Conchobar Máenmaige’s accession in Connacht after Ruaidrí Ua Conchobair retired to Cong, initiating or intensifying a dynastic conflict rather than ending Ruaidrí’s influence. Annals also record killings among regional kindreds, illustrating persistent intra-Gaelic rivalry. De Lacy governed Meath and de Courcy defended Ulaid, where his Benedictine foundation at Down combined religious patronage with political consolidation. Anglo-Norman settlements, castles and estates remained vulnerable, while ports, farming, crafts and exchange linked changing lordships with enduring local communities across the island.
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Archived: 26 September 2026
Abstract
In 1182, Ireland remained divided among Gaelic kings, Norse-Irish towns and expanding Anglo-Norman lordships. Domnall Ua Lochlainn’s Cenél nEógain force was defeated at Dunbo, probably by John de Courcy’s men, who seized the Gospel of St Martin. In Munster, Miles de Cogan’s killing near Lismore triggered resistance and exposed the weakness of settlement beyond fortified bases. Dynastic conflicts continued in Connacht, Annaly and elsewhere. The deaths of leading churchmen coincided with Kilcooly Abbey’s foundation under Domnall Mór Ua Briain. Hugh de Lacy’s castles and manors transformed Meath, yet trade, Gaelic institutions and local power still endured amid an unsettled frontier.
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Archived: 26 September 2026
Abstract
Ireland in 1181 remained politically fragmented among Gaelic kingdoms, Norse-Irish towns, church lordships and expanding Anglo-Norman territories. Henry II recalled Hugh de Lacy, fearing his autonomous power and Connacht marriage alliance, before restoring him under closer scrutiny. Flaithbertach Ua Máel Doraid defeated Connacht forces at Carbury, while killings, campaigns and cattle raids intensified Ulster rivalries. Tommaltach Ua Conchobair asserted Armagh's authority through Cenél Eógain; Henry influenced John Cumin's election to Dublin. Earth-and-timber castles supported settlement and land redistribution. Rural wealth depended on livestock and agriculture, while trade, monastic institutions and Gaelic learning endured. Rulers, churches and colonists contested regional frontiers.
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Archived: 26 September 2026
Abstract
In 1180 Ireland remained politically fragmented, as Ruaidrí Ua Conchobair’s weakened high-kingship, Henry II’s overlordship and expanding Anglo-Norman lordships overlapped with resilient Gaelic dynasties. Hugh de Lacy’s marriage to Ruaidrí’s daughter demonstrated frontier diplomacy, despite royal suspicion. Connacht’s Battle of the Conors strengthened Ruaidrí’s family but devastated Uí Maine leadership, while local killings reflected persistent instability. Ecclesiastical politics shaped events at Derry and Armagh, where Tommaltach Ua Conchobair’s appointment required negotiation. Archbishop Lorcán Ua Tuathail died in Normandy during diplomacy with Henry. Castles at Carrickfergus and Meath advanced settlement, although Gaelic communities, pastoral economies and established ports retained substantial influence.
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Archived: 26 September 2026
Abstract
1179 Ireland remained politically fragmented despite Henry II’s overlordship, Ruaidrí Ua Conchobair’s western influence, and expanding lordships under Hugh de Lacy and John de Courcy. Laurence O’Toole attended the Third Lateran Council, became papal legate, secured Dublin’s privileges, and convened Clonfert synod to advance church reform against lay control. Henry reprimanded de Lacy following Irish complaints, but settlement continued. In the north, a relic-sworn peace at Ardstraw ended in treacherous killings and devastation. Fires damaged Armagh and several church centres. Annals recorded famine, warfare and destructive snow, exposing vulnerable rural communities amid religious reform, diplomatic engagement, and enduring political instability.
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Archived: 26 September 2026
Abstract
By 1178, English lordship in Ireland remained limited to Dublin, parts of Leinster and eastern Meath, while Gaelic kings retained most territories amid rivalries and shifting alliances. Hugh de Lacy raided Clonmacnoise and the midlands, but Connacht resistance constrained him. John de Courcy suffered heavy defeats during northern raids, showing Anglo-Norman arms were vulnerable to terrain, ambushes and supply problems. Warfare across Connacht and Munster damaged settlements, churches and livestock. Dynastic conflicts, ecclesiastical deaths, monastic foundations and learned culture continued alongside violence. Annals also recorded wind damage at Derry and the drying of the River Galway, as conquest remained undecided.
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Archived: 26 September 2026
Abstract
In 1177 Anglo-Norman expansion widened beyond footholds in Leinster, Meath and ports. John de Courcy secured Downpatrick, raiding eastern Ulaid but not conquering Ulster. Henry II’s Oxford council assigned Ireland to his son John and redistributed strategic lordships and speculative grants in Cork and Limerick, asserting authority. Anglo-Norman expeditions into Connacht and Munster encountered resistance, scorched supplies and limited success. Irish dynastic rivalries continued alongside invasion, while church institutions mediated violence and suffered attack. Synodal activity, disasters and deaths of learned figures illuminate religious and economic life. Ireland remained politically fragmented, yet conquest’s frontier and ambitions decisively expanded across Ireland.
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Archived: 26 September 2026
Abstract
In 1176, the Treaty of Windsor proved fragile as Anglo-Norman and Irish rulers pursued competing interests. Raymond le Gros relieved Limerick but later surrendered it to Domnall Mór Ua Briain, who destroyed the city after the invaders withdrew. Campaigns in Munster restored Diarmait Mac Carthaig in Desmond, while raids and castle-building provoked resistance in Meath and the north. Strongbow’s death in Dublin transferred his lordship into Henry II’s custody, increasing royal oversight. Maurice fitz Gerald also died. Warfare damaged churches, settlements and livelihoods, revealing unstable conquest amid dynastic conflict, shifting alliances, hostages, and cattle raiding across a politically plural island.
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Archived: 26 September 2026
Abstract
In 1175 Ireland remained divided between Gaelic kings, Anglo-Norman lords and Henry II’s overlordship. Ruaidrí Ua Conchobair, Strongbow and rulers pursued alliances amid warfare, notably the Anglo-Norman capture of Limerick, which weakened Domnall Mór Ua Briain temporarily. The Treaty of Windsor recognised Ruaidrí as Henry’s liegeman, permitting reduced authority beyond territories reserved for the crown and settlers, in return for tribute, hostages and obedience. Yet violence in Meath and dynastic conflicts elsewhere exposed its weakness. Churchmen brokered diplomacy and appointments, while monasteries retained influence. Warfare disrupted life, livestock and towns. Windsor’s constitutional compromise accompanied conquest, leaving sovereignty and peace unresolved.
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Archived: 26 September 2026
Abstract
In 1174, Strongbow’s Anglo-Norman army suffered a decisive defeat near Thurles when Domnall Mór Ua Briain and Conchobar Máenmaige led Munster and Connacht forces against an expedition ravaging Munster. The reverse exposed the fragility of Henry II’s new lordship, already weakened by overseas commitments and uneven control beyond coastal towns. Heavy losses forced Strongbow to Waterford, where Hiberno-Norse inhabitants killed garrison members before Raymond le Gros brought reinforcements from Wales. Alliances remained temporary, while dynastic violence continued elsewhere. Church life endured: Gelasius, archbishop of Armagh, died, was succeeded by Cornelius, and a synod met at Birr. Warfare burdened rural communities
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Archived: 26 September 2026
Abstract
In 1173, Ireland remained a fragile, contested conquest after Henry II’s intervention. Strongbow governed Leinster under royal authority, while de Lacy held Meath and Ruaidrí Ua Conchobair retained Gaelic overlordship. The Angevin revolt drew leading Anglo-Norman commanders overseas, weakening garrisons, though Strongbow returned as Henry’s representative and supplied troops for the royal war. Domnall Mór Ua Briain, aided by Connacht forces, captured Kilkenny, exposing colonial vulnerability. Leinster dynasts also resisted Strongbow’s inheritance claim. Conflict persisted in Meath and Ulster, alongside church deaths, pestilence, plunder, trade and scholarship. By year’s end, conquest endured but remained insecure across a deeply divided island.
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Archived: 26 September 2026
Abstract
In 1172 Henry II held a winter court at Dublin, asserting royal control over Strongbow’s Anglo-Norman venture and receiving submissions from Irish rulers, though Ruaidrí Ua Conchobair remained independent. He secured Dublin, Waterford and Wexford, encouraged Bristol settlement, and linked conquest to commerce. The Council of Cashel promoted ecclesiastical order, building upon Irish reforms, while Gaelic church and political authority persisted elsewhere. Henry departed in April, granting Meath and Dublin’s custody to Hugh de Lacy. His forces devastated communities, and Tigernán Ua Ruairc was killed. Papal backing strengthened Henry’s claims, but Ireland remained divided between competing Gaelic and Angevin lordships.
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Archived: 26 September 2026
Abstract
In 1171 Diarmait Mac Murchada’s death intensified conflict over Leinster, as Strongbow claimed succession through marriage while Irish dynasties supported Diarmait’s son. Dublin repelled Hiberno-Norse and Irish-led challenges, though Anglo-Norman settlements remained vulnerable. Henry II invaded in October to restrain Strongbow, received his submission, reserved major ports for royal control, and accepted submissions from several Irish rulers. At Dublin he held court, promoted Bristol settlement and displayed Angevin power. Church reform predated his arrival, but royal authority became linked to it. Henry neither conquered Ireland nor displaced Gaelic government, yet transformed a private expedition into enduring English intervention in Ireland.
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Archived: 26 September 2026
Abstract
In 1170 Diarmait Mac Murchada’s restoration in Leinster escalated through Anglo-Norman intervention. Raymond le Gros secured Baginbun, then Richard Strongbow captured Waterford, married Diarmait’s daughter Aífe, and seized Dublin, ending its independent Hiberno-Norse rule. The ports supplied strategic links to Britain, trade and military resources. Allied forces campaigned across Leinster and Mide, devastating ecclesiastical centres, while Ruaidrí Ua Conchobair retaliated by killing Leinster hostages, including Diarmait’s son. Wider conflicts persisted in Munster and the north. Rural communities, towns and religious houses suffered warfare, although commerce and reform continued. By year’s end, eastern conquests transformed power without establishing durable settled lordship.
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Archived: 26 September 2026
Abstract
In 1169 Diarmait Mac Murchada, seeking to recover Leinster, recruited Cambro-Norman mercenaries from Wales. Robert FitzStephen’s force landed at Bannow, joined Irish allies, captured Wexford and received land, creating a fortified coastal foothold. Diarmait’s subsequent campaign devastated Osraige and secured renewed submission, but prompted High King Ruaidrí Ua Conchobair to negotiate hostages and require dismissal of the foreigners. Ireland remained politically sophisticated, with competing kingdoms, active ports, rural economies and reforming Church institutions. The newcomers initially served an Irish king, not Henry II. Yet grants of territory and Diarmait’s continuing ambitions established a durable bridgehead, enabling larger interventions after 1169.
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Archived: 26 September 2026
Abstract
In 1168 Ruaidrí Ua Conchobair strengthened his contested kingship of Ireland through military interventions, hostages, tribute and public assembly. In Meath, he enforced heavy compensation for a protected king’s killing, contributing to political upheaval, and presided over the Óenach Tailten. In Munster, he arbitrated the Ua Briain succession, secured submissions and divided authority between Domnall Mór Ua Briain and Mac Carthaig. Diarmait Mac Murchada remained constrained in Leinster, although overseas alliances were developing. The deaths of Donnchad Ua Cerbaill, churchmen and cultural figures marked the year. Reported prosperity contrasted with divisions that made Ireland vulnerable to the landings of 1169.
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Archived: 26 September 2026
Abstract
In 1167 Ruaidrí Ua Conchobair consolidated a precarious high-kingship through military campaigning, hostage-taking, assemblies and church patronage. Leading a broad coalition into Tír Eoghain, he secured submissions, divided authority among northern rivals and demonstrated coordination by land and sea. At Athboy and Tailtiu, he projected island-wide rule, promoted peace, protected churches and regulated political obligations. Ireland’s pastoral economy, port towns and ecclesiastical centres underpinned these networks. Diarmait Mac Murchada returned to Leinster with a small overseas force, regained territory, then submitted to Ruaidrí while retaining future foreign support. Deaths, violence and church building revealed continuing instability beneath Ruaidrí’s temporary ascendancy.
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Archived: 26 September 2026
Abstract
In 1166, Muirchertach Mac Lochlainn’s breach of a guaranteed settlement in Ulaid, including the blinding of King Eochaid, destroyed his authority. Abandoned by allies, he was defeated and killed. Ruaidrí Ua Conchobair of Connacht exploited the collapse, securing submissions, hostages and tribute from Dublin and regional rulers, while distributing wealth and arbitrating disputes. Diarmait Mac Murchada, deprived of Mac Lochlainn’s support and opposed within Leinster, was expelled after coalition campaigns destroyed his Ferns residence. He sought Henry II’s permission to recruit overseas, creating conditions for later Anglo-Norman intervention. Fires, church affairs, rural burdens, towns and royal patronage also marked 1166.
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Archived: 26 September 2026
Abstract
In 1165, Muirchertach Mac Lochlainn asserted northern supremacy through warfare, hostage-taking and negotiated settlements. After Ulaid revolted, he devastated the province, expelled Eochaid Mac Duinn Sléibe, installed Donn Sléibe, and later restored Eochaid at Armagh under harsh terms including hostages, treasure and territorial concessions. Elsewhere, Ruaidrí Ua Conchobair expanded Connacht’s influence through raids, grants and southern submissions, while dynastic conflict unsettled Munster and Osraige. Dublin ships joined Henry II’s Welsh expedition, illustrating Irish Sea connections. Churches mediated politics, reform continued, severe snow affected rural life, and manuscript learning flourished. Mac Lochlainn’s apparent triumph remained precarious, foreshadowing his collapse in 1166.
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Archived: 26 September 2026
Abstract
In 1164, Ireland remained politically divided yet interconnected by kingship, churches and Irish Sea networks. High-king Muirchertach Mac Lochlainn sustained authority through alliances, tribute and ecclesiastical patronage, despite northern raids and rebellion. Rival Ruaidrí Ua Conchobair built a major fortified residence at Tuam, while Munster and Leinster saw raids, dynastic killings and blinding. At Derry, royal and clerical resources created an exceptionally large Columban church, amid wider links with Iona and the Isles. Fires damaged several religious centres. Somerled’s Scottish expedition included Dublin forces. Agriculture, livestock, skilled labour and learning underpinned society, although conflict and disaster exposed persistent deep instability.
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Archived: 26 September 2026
Abstract
During 1163, Muirchertach Mac Lochlainn’s high-kingship remained influential but dependent on negotiation, payments and local compliance. Meath’s rulers were reshaped through deposition and gold payment, while his son Niall’s coercive progress ended with his capture in Uí Maine after offences against communities and churches. Assassinations, deaths and cattle-raiding reflected continuing regional rivalries. Ecclesiastical leaders died, yet monastic institutions retained traditional offices alongside diocesan reform. Glendalough suffered a destructive fire, whereas Derry’s Columban community built a huge lime-kiln, signalling organised construction. Learning, agriculture, cattle wealth and Irish Sea trade underpinned society, revealing a politically fragmented but connected Ireland at this time.
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Archived: 26 September 2026
Abstract
In 1162 Muirchertach Mac Lochlainn’s loose high-kingship united northern, Meath and Connacht forces, yet failed to compel Dublin’s surrender; after plundering Fine Gall, he accepted 120 ounces of gold. Tribute arrangements in Meath and exemptions from coigny showed the political and local economic importance of land and provisioning. At Clane, Gelasius of Armagh led a synod reinforcing clerical discipline, Armagh’s educational primacy and church reform. Laurence O’Toole became archbishop of Dublin, while Derry’s sacred precinct was reorganised. Deaths, fires, relic enshrinement and raids exposed cultural vulnerability. Continuing regional warfare and dynastic rivalry undermined Mac Lochlainn’s seemingly dominant authority across Ireland.
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Archived: 26 September 2026
Abstract
In 1161 Ireland comprised competing provincial kingdoms, lordships, churches and towns rather than a unified state. Muirchertach Mac Lochlainn, dominant northern ruler, and Ruaidrí Ua Conchobair of Connacht negotiated authority through campaigns, hostages and assemblies, dividing influence while preserving Mac Lochlainn’s senior kingship. Meath remained contested, with local dynastic violence continuing despite high-level settlements. Church reform and power were marked by bishops’ deaths, Dublin Archbishop Gregory’s death, Columban privileges secured by Flaithbertach Ua Brolcháin, and written guarantees for Ardbraccan. Rural communities supplied armies and suffered plunder; cattle and silver underpinned wealth. Towns, learning and poetry shaped wider Irish cultural life.
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Archived: 26 September 2026
Abstract
In 1160, Ruaidrí Ua Conchobair exploited the assassination of Meath’s king, installing Diarmait Ua Máel Sechlainn and securing hostages from Meath and Tethbae. His subsequent Shannon expedition compelled Thomond’s rulers to acknowledge his authority, marking Connacht’s recovery against high-king claimant Muirchertach Mac Lochlainn. Rival armies confronted one another without settlement, while Mac Lochlainn’s instigated killings and broken guarantees fostered northern instability. Dublin’s king Brodar was slain amid conflict. Clerical and scholarly deaths reflected reform and learned culture, while institutions including Jerpoint emerged. Burnings, warfare and cattle exactions burdened communities. Ireland remained divided, but rivalry centred upon Ruaidrí and Mac Lochlainn.
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Archived: 26 September 2026
Abstract
In 1159, Muirchertach Mac Lochlainn, Ireland’s leading overking, contested Ruaidrí Ua Conchobair’s power through shifting alliances across Meath, Bréifne, Airgíalla and Thomond. After reshaping Meath’s kingship, Mac Lochlainn faced Ruaidrí’s Connacht-Bréifne coalition, whose campaign was marked by Áed Ua Conchobair’s death at Athlone’s wicker bridge. At Ardee, northern and Airgíalla forces routed Ruaidrí’s army, killing numerous regional leaders. Mac Lochlainn subsequently ravaged Connacht and pressured Meath and Leinster, but gained neither Ruaidrí’s submission nor lasting control. Local raids, church deaths and rural military burdens reflected wider instability. Ardee confirmed his supremacy temporarily, yet preserved rivals and left Ireland’s kingship unresolved.
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Archived: 26 September 2026
Abstract
In 1158, Ireland remained politically fragmented, though Muirchertach Mac Lochlainn of Cenél nEógain dominated the high-kingship contest against Connacht’s Ruaidrí Ua Conchobair. Raids, rebellions and struggles in Tethbae, Meath, Tír Conaill and Munster exposed limits of overlordship, while annalistic dating leaves some campaigns uncertain. The Synod of Brí Mic Taidg, led by Armagh’s archbishop and a papal legate, promoted church reform and elevated Derry’s Flaithbertach Ua Brolcháin as arch-abbot of Columban churches. Yet travelling bishops were attacked. Munster saw dynastic violence, whereas Amhlaoibh Ó Donnchadha completed Aghadoe’s church before his death. Cattle-based wealth, rural life, towns, and destructive flooding underpinned.
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Archived: 26 September 2026
Abstract
In 1157, following Tairdelbach Ua Conchobair’s death, Muirchertach Mac Lochlainn asserted a contested high kingship through alliances, hostages and campaigns. Mellifont’s church consecration gathered leading clerics and rulers, displayed lavish patronage, and enabled the excommunication and deposition of Donnchad Ua Máel Sechlainn for violating a safeguard. Mac Lochlainn secured submissions in Leinster and Munster, but his settlements remained precarious. Ruaidrí Ua Conchobair raided Tír Eógain, contested Munster and assembled a Shannon fleet. Mac Lochlainn’s Newry charter linked royal authority with ecclesiastical reform. Records also show wealth in cattle and gold, vulnerable communities, fires, deaths, and persistent local conflict across Ireland.
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Archived: 26 September 2026
Abstract
In 1156, the death of Toirdelbach Ua Conchobair ended a career of contested island-wide authority and prompted succession struggles. Ruaidrí Ua Conchobair secured Connacht through hostage-taking and blinding rivals, while Muirchertach Mac Lochlainn expanded northern power by compelling submissions in Ulaid, Leinster and Osraige. Warfare and shifting alliances destabilised Mide, involving Leinster, Bréifne and Dublin forces. Power depended on hostages, tribute, raids and military expeditions, despite ecclesiastical protections. Toirdelbach’s burial at Clonmacnoise and gifts affirmed royal patronage. Fires damaged churches, religious reform continued, and learning suffered losses. A plentiful harvest was followed by severe frost, underscoring the year’s political uncertainty.
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