1131

1131 in other calendars
Gregorian calendar	1131; MCXXXI
Ab urbe condita	1884
Armenian calendar	580; ԹՎ ՇՁ
Assyrian calendar	5881
Balinese saka calendar	1052–1053
Bengali calendar	538
Berber calendar	2081
English Regnal year	31 Hen. 1 – 32 Hen. 1
Buddhist calendar	1675
Burmese calendar	493
Byzantine calendar	6639–6640
Chinese calendar	庚戌年 (Metal Dog); 3827 or 3767; — to —; 辛亥年 (Metal Pig); 3828 or 3768
Coptic calendar	847–848
Discordian calendar	2297
Ethiopian calendar	1123–1124
Hebrew calendar	4891–4892
Hindu calendars
- Vikram Samvat	1187–1188
- Shaka Samvat	1052–1053
- Kali Yuga	4231–4232
Holocene calendar	11131
Igbo calendar	131–132
Iranian calendar	509–510
Islamic calendar	525–526
Japanese calendar	Daiji 6 / Tenshō 1; (天承元年)
Javanese calendar	1036–1038
Julian calendar	1131; MCXXXI
Korean calendar	3464
Minguo calendar	781 before ROC; 民前781年
Nanakshahi calendar	−337
Seleucid era	1442/1443 AG
Thai solar calendar	1673–1674
Tibetan calendar	阳金狗年; (male Iron-Dog); 1257 or 876 or 104; — to —; 阴金猪年; (female Iron-Pig); 1258 or 877 or 105

Millennium:	2nd millennium
Centuries:	11th century – 12th century – 13th century
Decades:	1100s 1110s 1120s – 1130s – 1140s 1150s 1160s
Years:	1128 1129 1130 – 1131 – 1132 1133 1134

1131 (MCXXXI)was a common year starting on Thursday of the Julian calendar, the 1131st year of the Common Era (CE) and Anno Domini (AD) designations, the 131st year of the 2nd millennium, the 31st year of the 12th century, and the 2nd year of the 1130s decade. As of the start of 1131, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

Events

March 1 — King Stephen II of Hungary (b. 1101)
April 30 — Saint Adjutor
August 21 — King Baldwin II of Jerusalem
December 4 — Omar Khayyám, Persian poet, astronomer, mathematician, and philosopher (b. 1048)
Alger of Liège, French monk at Cluny (b. 1055)
Bohemund II of Antioch (b. 1108)
Gaston IV of Béarn
Joscelin I, Count of Edessa
Peter the Hermit, French priest and crusader
Ramon Berenguer III, Count of Barcelona (b. 1082)

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Gregorian calendar	1131 MCXXXI
Ab urbe condita	1884
Armenian calendar	580 ԹՎ ՇՁ
Assyrian calendar	5881
Balinese saka calendar	1052–1053
Bengali calendar	538
Berber calendar	2081
English Regnal year	31 Hen. 1 – 32 Hen. 1
Buddhist calendar	1675
Burmese calendar	493
Byzantine calendar	6639–6640
Chinese calendar	庚戌年 (Metal Dog) 3827 or 3767 — to — 辛亥年 (Metal Pig) 3828 or 3768
Coptic calendar	847–848
Discordian calendar	2297
Ethiopian calendar	1123–1124
Hebrew calendar	4891–4892
Hindu calendars
- Vikram Samvat	1187–1188
- Shaka Samvat	1052–1053
- Kali Yuga	4231–4232
Holocene calendar	11131
Igbo calendar	131–132
Iranian calendar	509–510
Islamic calendar	525–526
Japanese calendar	Daiji 6 / Tenshō 1 (天承元年)
Javanese calendar	1036–1038
Julian calendar	1131 MCXXXI
Korean calendar	3464
Minguo calendar	781 before ROC 民前781年
Nanakshahi calendar	−337
Seleucid era	1442/1443 AG
Thai solar calendar	1673–1674
Tibetan calendar	阳金狗年 (male Iron-Dog) 1257 or 876 or 104 — to — 阴金猪年 (female Iron-Pig) 1258 or 877 or 105