1181

1181 (MCLXXXI) was a common year starting on Thursday of the Julian calendar, the 1181st year of the Common Era (CE) and Anno Domini (AD) designations, the 181st year of the 2nd millennium, the 81st year of the 12th century, and the 2nd year of the 1180s decade. As of the start of 1181, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

1181 in other calendars

Gregorian calendar	1181 MCLXXXI
Ab urbe condita	1934
Armenian calendar	630 ԹՎ ՈԼ
Assyrian calendar	5931
Balinese saka calendar	1102–1103
Bengali calendar	588
Berber calendar	2131
English Regnal year	27 Hen. 2 – 28 Hen. 2
Buddhist calendar	1725
Burmese calendar	543
Byzantine calendar	6689–6690
Chinese calendar	庚子年 (Metal Rat) 3877 or 3817     — to — 辛丑年 (Metal Ox) 3878 or 3818
Coptic calendar	897–898
Discordian calendar	2347
Ethiopian calendar	1173–1174
Hebrew calendar	4941–4942
Hindu calendars
- Vikram Samvat	1237–1238
- Shaka Samvat	1102–1103
- Kali Yuga	4281–4282
Holocene calendar	11181
Igbo calendar	181–182
Iranian calendar	559–560
Islamic calendar	576–577
Japanese calendar	Jishō 5 / Yōwa 1 (養和元年)
Javanese calendar	1088–1089
Julian calendar	1181 MCLXXXI
Korean calendar	3514
Minguo calendar	731 before ROC 民前731年
Nanakshahi calendar	−287
Seleucid era	1492/1493 AG
Thai solar calendar	1723–1724
Tibetan calendar	ལྕགས་ཕོ་བྱི་བ་ལོ་ (male Iron-Rat) 1307 or 926 or 154     — to — ལྕགས་མོ་གླང་ལོ་ (female Iron-Ox) 1308 or 927 or 155

Events

• Jayavarman VII defeats the Cham and assumes control of the Khmer kingdom.
• The word Albigensians first used by chronicler Geoffroy du Breuil of Vigeois to describe the inhabitants of Albi, France.
• September 1 — Pope Lucius III succeeds Pope Alexander III as the 171st pope.
• Chinese and Japanese astronomers observe what has since come to be understood as a supernova. One of only eight supernovae in the Milky Way observed in recorded history, it appeared in the constellation Cassiopeia and was visible in the night sky for about 185 days. The radio source 3C58 is thought to be the remnant from this event.
• Beginning of the Yowa era in Japan. The era is marked by famine.

Births

• Saint Francis of Assisi, Italian founder of the Franciscan Order (died 1226)
• Saint Teresa of Portugal
• Jayavarman VII, king of the Khmer (died 1219)

Deaths

• January 30 — Emperor Takakura of Japan (b. 1161)
• March 17 — Henry I of Champagne
• June 30 — Hugh de Kevelioc, 3rd Earl of Chester, English politician (b. 1147)
• August 30 — Pope Alexander III (b. c. 1100–1105)
• Taira no Kiyomori, Japanese warlord (b. 1118)
• As-Salih Ismail al-Malik, ruler of Syria (b. 1163)