1096

First Crusade begins

1099

First Crusade ends

1101

The Grianán of Aileach (in Donegal) destroyed. Aileach was the seat of Mac Loughlin kings of the northern Ui Neill, distinguished from other Loughlin families by the designation of their ancestral seat at Aileach . Their territory encompassed Derry and Inishowen in Donegal

First Synod of Cashel: Murtaugh O'Brien gives Cashel to Church

1103

Magnus III of Norway killed invading Ireland

1104

Crusaders take Acre

1109-1113

Anglo-French War

1111

Synod of Ráith Bressail: diocesan organisation planned

1114

Artur MacLochlainn born at Ean Ri

1120

Toirrdelbach O'Connor revives Óenach Tailten (a gathering of the Uí Néill under the king of Tara).

1124

Artur MacLochlainn sent to monastery for priestly training

1125

Troubador music begins to appear in France

1126

Matilda, daughter of Henry I, becomes heir to English throne

1127-1226

Irish romanesque architecture and sculpture flourishes: Cormac's Chapel

1128

Matilda marries Geoffrey Plantangenet of Anjou

Order of Templars recognized by the pope

1130

Leinster Codex- first Irish geneaological MS

Eoin OhEochaidh born in Daoire (Derry)

1132

St. Malachy consecrated archbishop of Armagh

1134

Cormac's Chapel consecrated

1135-1154

Henry I dies, nephew Stephen becomes King of England

1136

Matilda seeks English throne

1137

Louis VII, King of France

1138

Conrad III, King of Germany

1139

Matilda initiates Civil War in England

St. Malachy travels to Rome to ask for 2 pallia

1141

Matilda proclaimed Queen of England

1147

Second Crusade under Louis VII and Conrad III

Matilda leaves England

1149

Second (unsuccessful) Crusade ends

1150

Paris University founded

1151

Battle of Móin Mhór

1152

Synod of Kells: Cardinal Paparo brings 4 pallia to Ireland, completes diocesan organisation

1154

Stephen dies, Henry II becomes King of England

1155

Henry II proposes invading Ireland

Ghengis Khan born

Artur MacLochlainn returns to Ireland, marries Bronwen O'Riordan

1155-1156

John of Salisbury receives papal approval of Henry II's conquest of Ireland

1156-1166

High King of Ireland, Murtagh MacLochlainn of Aileach

1162

Synod of Clane: primacy of Armagh confirmed

Dermot MacMurchada gains control of Dublin

Thomas Beckett elected Archbishop of Canterbury

1163

Construction of Notre Dame begins

1166

Murtagh MacLochlainn dies

Dermot MacMurchada banished from Ireland

Current Clann Lochlan Year

1167

MacMurchada and Flemish return to retake land

Oxford University founded

1169

First wave of the Norman Invasion arrives at Wexford, assist MacMurchada in capturing it

1170

Thomas Beckett murdered

Richard de Clare ("Strongbow") captures Waterford

Strongbow marries MacMurchadha'a daughter Aoife

Dublin captured by Normans

1171

MacMurchada dies, succeeded as King of Leinster by Strongbow

Henry II lands at Crook: N. Leinster, Breifne, Airgialla, and Ulster submit

1171-1172

Second Synod of Cashel

Henry II grants charter to Dublin

1172

Meath granted to Hugh de Lacy

1173

First influenza epidemics believed to have occurred

1174

Henry II does penance for Thomas Beckett's murder

1175

Treaty of Windsor between Henry II and Rory O'Connor

1177

John de Courcy defeats MacDunlevy of Ulidia and MacLochlainn of Cenél Eógainn and takes control of Ulster

Belfast founded

1183

Gerald of Wales first vists Ireland

1188

Gerald's Expugnatio Hibernia written.

1189

Third Crusade (Richard the LionHeart)

1192

Third Crusade ends

c.1200

standardization of Modern Irish grammer by bardic schools