THE WORLD ATLAS

Realm · approximate borders · 1000–1256

Kingdom of Breifne

Bréifne, the kingdom of the Uí Ruairc (O'Rourkes) in Leitrim and Cavan, which under Tigernán Ua Ruairc in the 12th century also pushed into Meath. Split in 1256 into West Breifne (O'Rourke) and East Breifne (O'Reilly).

Its eastern limit toward Kells shifted often.

See Kingdom of Breifne on the map in 1000

On the map
1000–1256
Capital
Dromahair (Uí Ruairc seat)

Rulers named in the sources

Western and central European states, 430–1956

States of western and central Europe: the Irish kingdoms of Meath, Osraige, Breifne, Thomond, Desmond and Tyrconnell, Pictish Fortriu, the Welsh kingdoms of Dyfed, Ceredigion and Deheubarth, Elmet, the taifas of Málaga, Majorca and Menorca, the prince-bishoprics of Liège and Utrecht, Guelders, Brabant, Namur, Limburg, Luxembourg, Cleves and Jülich, Bar and Provence, the Electoral Palatinate, Mainz, Hesse, the Welf principalities, Württemberg, Baden, Ansbach, Bayreuth, Nuremberg, Salzburg, Meissen, Saxe-Wittenberg, Saxe-Lauenburg, Oldenburg and Pomerania, the Visconti, Gonzaga, Este, Montefeltro and Appiani states, Siena, Lucca and Gaeta, and in the 20th century the four occupation zones of Germany, the Saar Protectorate and the Free Territory of Trieste.

Sources