1151

1151 (MCLI) was a common year starting on Monday of the Julian calendar, the 1151st year of the Common Era (CE) and Anno Domini (AD) designations, the 151st year of the 2nd millennium, the 51st year of the 12th century, and the 2nd year of the 1150s decade. As of the start of 1151, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	2nd millennium
Centuries:	11th century – 12th century – 13th century
Decades:	1120s  1130s  1140s  – 1150s –  1160s  1170s  1180s
Years:	1148 1149 1150 – 1151 – 1152 1153 1154

1151 in other calendars

Gregorian calendar	1151 MCLI
Ab urbe condita	1904
Armenian calendar	600 ԹՎ Ո
Assyrian calendar	5901
Balinese saka calendar	1072–1073
Bengali calendar	558
Berber calendar	2101
English Regnal year	16 Ste. 1 – 17 Ste. 1
Buddhist calendar	1695
Burmese calendar	513
Byzantine calendar	6659–6660
Chinese calendar	庚午年 (Metal Horse) 3847 or 3787     — to — 辛未年 (Metal Goat) 3848 or 3788
Coptic calendar	867–868
Discordian calendar	2317
Ethiopian calendar	1143–1144
Hebrew calendar	4911–4912
Hindu calendars
- Vikram Samvat	1207–1208
- Shaka Samvat	1072–1073
- Kali Yuga	4251–4252
Holocene calendar	11151
Igbo calendar	151–152
Iranian calendar	529–530
Islamic calendar	545–546
Japanese calendar	Kyūan 7 / Ninpei 1 (仁平元年)
Javanese calendar	1057–1058
Julian calendar	1151 MCLI
Korean calendar	3484
Minguo calendar	761 before ROC 民前761年
Nanakshahi calendar	−317
Seleucid era	1462/1463 AG
Thai solar calendar	1693–1694
Tibetan calendar	阳金马年 (male Iron-Horse) 1277 or 896 or 124     — to — 阴金羊年 (female Iron-Goat) 1278 or 897 or 125

Events

• September 7 — Geoffrey of Anjou dies, and is replaced by his son Henry who is 18 years old.
• The first plague and fire insurance policy is issued in Iceland

Births

• April 3 — Igor Svyatoslavich, Russian prince (d. 1202)
• Unkei, Japanese sculptor (d. 1223)

Deaths

• January 13 — Abbot Suger, French statesman and historian (b. c. 1081)
• April 23 — Adeliza of Leuven, queen of Henry I of England (b. 1103)
• September 7 — Geoffrey V, Count of Anjou (b. 1113)