1088

Millennium:	2nd millennium
Centuries:	10th century 11th century 12th century
Decades:	1060s 1070s 1080s 1090s 1100s
Years:	1085 1086 1087 1088 1089 1090 1091

1088 in various calendars

Gregorian calendar	1088 MLXXXVIII
Ab urbe condita	1841
Armenian calendar	537 ԹՎ ՇԼԷ
Assyrian calendar	5838
Balinese saka calendar	1009–1010
Bengali calendar	495
Berber calendar	2038
English Regnal year	1 Will. 2 – 2 Will. 2
Buddhist calendar	1632
Burmese calendar	450
Byzantine calendar	6596–6597
Chinese calendar	丁卯年 (Fire Rabbit) 3785 or 3578     — to — 戊辰年 (Earth Dragon) 3786 or 3579
Coptic calendar	804–805
Discordian calendar	2254
Ethiopian calendar	1080–1081
Hebrew calendar	4848–4849
Hindu calendars
- Vikram Samvat	1144–1145
- Shaka Samvat	1009–1010
- Kali Yuga	4188–4189
Holocene calendar	11088
Igbo calendar	88–89
Iranian calendar	466–467
Islamic calendar	480–481
Japanese calendar	Kanji 2 (寛治２年)
Javanese calendar	992–993
Julian calendar	1088 MLXXXVIII
Korean calendar	3421
Minguo calendar	824 before ROC 民前824年
Nanakshahi calendar	−380
Seleucid era	1399/1400 AG
Thai solar calendar	1630–1631
Tibetan calendar	阴火兔年 (female Fire-Rabbit) 1214 or 833 or 61     — to — 阳土龙年 (male Earth-Dragon) 1215 or 834 or 62

Events

Europe

• March 12 — Pope Urban II succeeds Pope Victor III as the 159th pope.
• Work begins on the third and largest church at Cluny.
• Rebellion of 1088 against William II of England lead by Odo of Bayeux.
• Oldest extant university founded, University of Bologna.

China

• The Dream Pool Essays is published in this year by the polymath Chinese scientist and statesman Shen Kuo. His book represents the earliest known writing about the magnetic compass, movable type printing, experimentation with camera obscura only decades after Ibn al-Haytham, and included many different fields of study in essay and encyclopedic form, including geology, astronomy, botany, zoology, mineralogy, anatomy, pharmacology, geography, optics, economics, military strategy, philosophy, etc. Some of Shen's most advanced theories included geomorphology and gradual climate change, while he improved Chinese astronomy by fixing the position of the pole star and correcting the lunar error by plotting its orbital course every night for a continuum of five years.
• The Chinese polymath statesman and scientist Su Song has the successful pilot model for his astronomical clock tower in Kaifeng, China constructed. It features an escapement mechanism and the world's oldest known endless power-transmitting chain drive to operate the armillary sphere, opening doors, and mechanical-driven manikins that would rotate in shifts to announce the time on plaques.

North Africa

• Mansur ibn Nasir succeeds Nasir ibn Alnas as ruler of the Hammadid dynasty.

Deaths

• January 6 — Berengar of Tours, French theologian
• July 3 — Robert of Rhuddlan, Norman ruler of most of North Wales
• Naser Khosrow, Persian theologian
• William de Warenne, 1st Earl of Surrey, Norman aristocrat