Year 1089 (MLXXXIX) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.
Events
By area
Asia
Rama Varma Kulashekhara is crowned in Kerala. Palmyra is destroyed by an earthquake.
Europe
Northumbria is divided by the Normans into the counties of Northumberland, County Palatine of Durham, Yorkshire, Westmorland and Lancashire. August 11 – A powerful earthquake is recorded in Britain. June 22 – Gaston IV of Bearn and the Frankish crusaders take the Aragonese city of Monzón from the emir of Zaragoza.
By topic
Religion
Cîteaux Abbey, the first Cistercian monastery, is founded in southern France. The Synod of Melfi under Pope Urban II issued decrees against simony and the clerical marriage.
Births
Dahui Zonggao, Chinese Zen Buddhist monk (d. 1163) Han Shizhong, Chinese general (d. 1151)