1049 CE
Theodwin, prince-bishop of Liège, defeats Count Dirk IV of West Frisia near Dordrecht and restores imperial authority in the Rhine Delta. Pope Leo IX succeeds Damasus II, as the 152nd pope of the Catholic Church. He goes on a one-year trip to promote the cause of the reformist program among the European prelates. The Banu Hilal, a confederation of tribes of Arabia, begin their invasion in the Maghreb (North Africa). They are organized by the Egyptian Fatimid Caliphate to punish their former Zirid vassals.
Geopolitics & Diplomacy
- The Republic of Pisa successfully completes the conquest of Sardinia, from the Andalusian occupiers. [Dubious claim; since Sardinia was already governed by the Giudici by this time]source
Conflict & Security
- The Banu Hilal, a confederation of tribes of Arabia, begin their invasion in the Maghreb (North Africa). They are organized by the Egyptian Fatimid Caliphate to punish their former Zirid vassals.source
- Spring – Pecheneg Revolt: Emperor Constantine IX decides to transfer 15,000 Pecheneg warriors from their positions in the Balkans to the eastern front. Upon approaching the Bosporus, the Pechenegs decide to turn back, and march through Bulgaria, until they reach the Byzantine city of Serdia. Later, joined by followers, the Pecheneg tribes raise the banner of revolt in Thrace.source
Exploration & Expansion
- Viking Irish raiders ally with King Gruffydd ap Rhydderch of Gwent in raiding along the River Severn.source
Religion & Belief
- January 13 – Theodwin, prince-bishop of Liège, defeats Count Dirk IV of West Frisia near Dordrecht and restores imperial authority in the Rhine Delta.source
- February 12 – Pope Leo IX succeeds Damasus II, as the 152nd pope of the Catholic Church. He goes on a one-year trip to promote the cause of the reformist program among the European prelates.source
Technology & Infrastructure
- The Iron Pagoda in Kaifeng is constructed, during the Chinese Song dynasty.source
Births
- October 9 – Seonjong, king of Goryeo (d. 1094)source
- Rhiryd ap Bleddyn, king of Powys (d. 1088)source
- Saw Lu, king of the Pagan Kingdom (d. 1084)source
- Peter de Honestis, Italian monk (approximate date)source
- John Theristus, Italian Benedictine monk (d. 1129)source
- Hermann II, count palatine of Lotharingia (d. 1085)source
- Godelieve, Flemish saint (approximate date)source
- Li Gonglin, Chinese painter and antiquarian (d. 1106)source
Deaths
- January 1 – Odilo of Cluny, French Benedictine abbotsource
- January 12 – Abū-Sa'īd Abul-Khayr, Persian Sufi poet (b. 967)source
- January 13 – Dirk IV, count of Friesland west of the Vliesource
- December 1 – Ermesinda of Bigorre, queen of Aragon (b. 1015)source
- Airlangga, Indonesian ruler (raja) of Kahuripansource