Events Northumbria is divided by the Normans into the counties of Northumberland, County Durham, Yorkshire, Westmorland and Lancashire. Citeaux Abbey, the first Cistercian monastery, is founded in southern France. August 11 - A powerful earthquake is recorded in Britain. Rama Varma Kulasekhara is crowned in Kerala. The Synod of Melfi under Pope Urban II imposes slavery on the wives of priests. Palmyra is destroyed by an earthquake. The Byzantine Empire conquers Crete. Births Dahui Zong… (More on 1089)