1180

1180 (MCLXXX) was a leap year starting on Tuesday of the Julian calendar, the 1180th year of the Common Era (CE) and Anno Domini (AD) designations, the 180th year of the 2nd millennium, the 80th year of the 12th century, and the 1st year of the 1180s decade. As of the start of 1180, 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:	1150s  1160s  1170s  – 1180s –  1190s  1200s  1210s
Years:	1177 1178 1179 – 1180 – 1181 1182 1183

1180 in other calendars

Gregorian calendar	1180 MCLXXX
Ab urbe condita	1933
Armenian calendar	629 ԹՎ ՈԻԹ
Assyrian calendar	5930
Balinese saka calendar	1101–1102
Bengali calendar	587
Berber calendar	2130
English Regnal year	26 Hen. 2 – 27 Hen. 2
Buddhist calendar	1724
Burmese calendar	542
Byzantine calendar	6688–6689
Chinese calendar	己亥年 (Earth Pig) 3876 or 3816     — to — 庚子年 (Metal Rat) 3877 or 3817
Coptic calendar	896–897
Discordian calendar	2346
Ethiopian calendar	1172–1173
Hebrew calendar	4940–4941
Hindu calendars
- Vikram Samvat	1236–1237
- Shaka Samvat	1101–1102
- Kali Yuga	4280–4281
Holocene calendar	11180
Igbo calendar	180–181
Iranian calendar	558–559
Islamic calendar	575–576
Japanese calendar	Jishō 4 (治承４年)
Javanese calendar	1087–1088
Julian calendar	1180 MCLXXX
Korean calendar	3513
Minguo calendar	732 before ROC 民前732年
Nanakshahi calendar	−288
Seleucid era	1491/1492 AG
Thai solar calendar	1722–1723
Tibetan calendar	ས་མོ་ཕག་ལོ་ (female Earth-Boar) 1306 or 925 or 153     — to — ལྕགས་ཕོ་བྱི་བ་ལོ་ (male Iron-Rat) 1307 or 926 or 154

Events

• April 13 – Frederick Barbarossa issues the Gelnhausen Charter
• November 18 – Philip II becomes King of France
• During the third year of the Jisho era of Japan, a devastating whirlwind damages Kyoto.
• Emperor Antoku, reign of 81st emperor of Japan starts (1180-1185)^[1]
• Afonso I of Portugal is taken prisoner by Ferdinand II of Leon
• Artois is annexed by France
• Prince Mochihito amasses a large army and instigates the Genpei War between Taira and Minamoto clans
• Frederick Barbarossa removes Henry the Lion from the Duchy of Saxony, and created the Duchies of Westphalia and Styria
• Alexius II Comnenus becomes Byzantine emperor
• The Wittelsbach family takes control of Bavaria
• Kilij Arslan II allies with Saladin after the death of Byzantine emperor Manuel I Comnenus
• Alexander Neckam becomes a lecturer in Paris, and writes De Natura Rerum, an early mention of chess (approximate date)
• Estimation: Hangzhou, capital of Southern Song China becomes the largest city of the world, taking the lead from Fes in the Almohad Empire.^[2]
• Last major volcanic eruption of Sunset Crater, in Arizona

Births

• August 6 – Emperor Go-Toba of Japan (died 1239)
• Berenguela of Castile, queen of Alfonso IX of Castile (died 1246)
• Gilbert de Clare, 5th Earl of Hertford, English soldier (died 1230)

Deaths

• September 18 – King Louis VII of France (born 1120)
• September 24 – Manuel I Comnenus, Byzantine Emperor (born 1118)
• October 25 – John of Salisbury, French bishop
• Al-Mustadi, Caliph
• William de Braose, 3rd Lord of Bramber
• Abraham ben David, philosopher (martyred)
• Roman of Kiev
• Yaroslav II of Kiev
• Prince Mochihito, son of Emperor Go-Shirakawa of Japan
• Minamoto no Yorimasa, Japanese warlord (born 1106)