Earldom of Ulster: Map & History
The Earldom of Ulster was an Anglo-Norman lordship in north-eastern Ireland during the Middle Ages, ruled by the Earls of Ulster and part of the Lordship of Ireland.
Wikipedia Encyclopedic Compendium
Historiographical synthesis & structured realm registry
The Earldom of Ulster was an Anglo-Norman lordship in north-eastern Ireland during the Middle Ages, ruled by the Earls of Ulster and part of the Lordship of Ireland. The Norman knight John de Courcy invaded the Gaelic Irish kingdom of Ulaid in 1177 and conquered most of its territory over the following few years. In 1181 he was made earl palatine of Ulster by Henry II of England. The earldom was the most important Anglo-Norman lordship in the north of Ireland. It covered most of what are now the Ulster counties of Antrim and Down, and briefly extended west to Lough Foyle. Its capital was Carrickfergus Castle.
Earldom of Ulster Timeline
Key historical inflections from foundation to peak territorial expansion
Expansion to peak recorded area of 2,333 km² in 1329 CE.
Earldom of Ulster: Frequently Asked Questions
When did Earldom of Ulster exist?
Earldom of Ulster is dated to 1326 CE – 1332 CE, in the High & Late Middle Ages era.
How large was Earldom of Ulster at its peak?
At its peak in 1329 AD Earldom of Ulster covered about 2,333 km².
Other Sovereign Realms
High & Late Middle Ages • Capital: Avarga
Early Modern & Age of Discovery • Capital: Söğüt, Bursa, Edirne, Constantinople
High & Late Middle Ages • Capital: Thanjavur, Gangaikonda Cholapuram
Early Modern & Age of Discovery • Capital: Agra, Fatehpur Sikri, Lahore, Delhi