1089

1089 (MLXXXIX) was a common year starting on Monday of the Julian calendar, the 1089th year of the Common Era (CE) and Anno Domini (AD) designations, the 89th year of the 2nd millennium, the 89th year of the 11th century, and the 10th and last year of the 1080s decade. As of the start of 1089, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	2nd millennium
Centuries:	10th century – 11th century – 12th century
Decades:	1050s  1060s  1070s  – 1080s –  1090s  1100s  1110s
Years:	1086 1087 1088 – 1089 – 1090 1091 1092

1089 in other calendars

Gregorian calendar	1089 MLXXXIX
Ab urbe condita	1842
Armenian calendar	538 ԹՎ ՇԼԸ
Assyrian calendar	5839
Balinese saka calendar	1010–1011
Bengali calendar	496
Berber calendar	2039
English Regnal year	2 Will. 2 – 3 Will. 2
Buddhist calendar	1633
Burmese calendar	451
Byzantine calendar	6597–6598
Chinese calendar	戊辰年 (Earth Dragon) 3785 or 3725     — to — 己巳年 (Earth Snake) 3786 or 3726
Coptic calendar	805–806
Discordian calendar	2255
Ethiopian calendar	1081–1082
Hebrew calendar	4849–4850
Hindu calendars
- Vikram Samvat	1145–1146
- Shaka Samvat	1010–1011
- Kali Yuga	4189–4190
Holocene calendar	11089
Igbo calendar	89–90
Iranian calendar	467–468
Islamic calendar	481–482
Japanese calendar	Kanji 3 (寛治３年)
Javanese calendar	993–994
Julian calendar	1089 MLXXXIX
Korean calendar	3422
Minguo calendar	823 before ROC 民前823年
Nanakshahi calendar	−379
Seleucid era	1400/1401 AG
Thai solar calendar	1631–1632
Tibetan calendar	阳土龙年 (male Earth-Dragon) 1215 or 834 or 62     — to — 阴土蛇年 (female Earth-Snake) 1216 or 835 or 63

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)

Deaths

• May 24 – Lanfranc, Archbishop of Canterbury
• May 31 – Sigwin von Are, Archbishop of Cologne
• September 29 (or 30) – Theobald III, Count of Blois
• November 11 – Saint Peter Igneus, Italian Benedictine monk