1080

1080 (MLXXX) was a leap year starting on Wednesday of the Julian calendar, the 1080th year of the Common Era (CE) and Anno Domini (AD) designations, the 80th year of the 2nd millennium, the 80th year of the 11th century, and the 1st year of the 1080s decade. As of the start of 1080, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.

Rudolf of Rheinfelden loses his arm in combat during the Battle on the Elster.

Millennium:	2nd millennium
Centuries:	10th century – 11th century – 12th century
Decades:	1050s  1060s  1070s  – 1080s –  1090s  1100s  1110s
Years:	1077 1078 1079 – 1080 – 1081 1082 1083

1080 in other calendars

Gregorian calendar	1080 MLXXX
Ab urbe condita	1833
Armenian calendar	529 ԹՎ ՇԻԹ
Assyrian calendar	5830
Balinese saka calendar	1001–1002
Bengali calendar	487
Berber calendar	2030
English Regnal year	14 Will. 1 – 15 Will. 1
Buddhist calendar	1624
Burmese calendar	442
Byzantine calendar	6588–6589
Chinese calendar	己未年 (Earth Goat) 3776 or 3716     — to — 庚申年 (Metal Monkey) 3777 or 3717
Coptic calendar	796–797
Discordian calendar	2246
Ethiopian calendar	1072–1073
Hebrew calendar	4840–4841
Hindu calendars
- Vikram Samvat	1136–1137
- Shaka Samvat	1001–1002
- Kali Yuga	4180–4181
Holocene calendar	11080
Igbo calendar	80–81
Iranian calendar	458–459
Islamic calendar	472–473
Japanese calendar	Jōryaku 4 (承暦４年)
Javanese calendar	984–985
Julian calendar	1080 MLXXX
Korean calendar	3413
Minguo calendar	832 before ROC 民前832年
Nanakshahi calendar	−388
Seleucid era	1391/1392 AG
Thai solar calendar	1622–1623
Tibetan calendar	ས་མོ་ལུག་ལོ་ (female Earth-Sheep) 1206 or 825 or 53     — to — ལྕགས་ཕོ་སྤྲེ་ལོ་ (male Iron-Monkey) 1207 or 826 or 54

Events

• William I of England, in a letter, reminds the Bishop of Rome that the King of England owes him no allegiance.
• King Alfonso VI of Castile establishes the Latin liturgy in Catholic church in place of the Mozarabic rite.
• Ísleifur Gissurarson, the first bishop in Iceland, dies while giving mass in Skálholt church.
• Osmund, Bishop of Salisbury, builds Devizes Castle.

Births

• Edith Matilda of Scotland, Queen consort of King Henry I of England (died 1118)
• Thomas of Canterbury, Anglo-Norman nobleman (died 1159)

Deaths

• King Harald III of Denmark (born c.1044)
• Andronikus VI, Byzantine emperor
• Ísleifur Gissurarson, Icelandic bishop