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Millennium: 2nd millennium
1071 in various calendars
Gregorian calendar1071
Ab urbe condita1824
Armenian calendar520
Assyrian calendar5821
Balinese saka calendar992–993
Bengali calendar478
Berber calendar2021
English Regnal yearWill. 1 – 6 Will. 1
Buddhist calendar1615
Burmese calendar433
Byzantine calendar6579–6580
Chinese calendar庚戌年 (Metal Dog)
3767 or 3707
    — to —
辛亥年 (Metal Pig)
3768 or 3708
Coptic calendar787–788
Discordian calendar2237
Ethiopian calendar1063–1064
Hebrew calendar4831–4832
Hindu calendars
 - Vikram Samvat1127–1128
 - Shaka Samvat992–993
 - Kali Yuga4171–4172
Holocene calendar11071
Igbo calendar71–72
Iranian calendar449–450
Islamic calendar463–464
Japanese calendarEnkyū 3
Javanese calendar975–976
Julian calendar1071
Korean calendar3404
Minguo calendar841 before ROC
Nanakshahi calendar−397
Seleucid era1382/1383 AG
Thai solar calendar1613–1614
Tibetan calendar阳金狗年
(male Iron-Dog)
1197 or 816 or 44
    — to —
(female Iron-Pig)
1198 or 817 or 45

Year 1071 (MLXXI) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar.


By place[edit]

Byzantine Empire[edit]

  • August 26Battle of Manzikert: The Byzantine army (35,000 men) under Emperor Romanos IV meets the Seljuk Turk forces of Sultan Alp Arslan, near the town of Manzikert. Although the armies are initially evenly matched, as the Byzantines advance, the Seljuk Turks withdraw before them, launching hit-and-run attacks on the Byzantine flanks. While attempting to withdraw, the Byzantine army falls apart, either through treachery or confusion; the battle ends in a decisive defeat for the Byzantine Empire. Romanos is captured (later released by Alp Arslan within a week), and much of the elite Varangian Guard is destroyed (this will prove catastrophic for the Byzantine Empire).
  • October 24 – Romanos IV is deposed by Caesar John Doukas and his political advisor Michael Psellos (after his return to Constantinople). Michael VII (Doukas) is crowned co-emperor – and his mother Eudokia is forced to retire to a monastery.



  • The English rebels under Hereward (the Wake) and Morcar, Saxon former earl of Northumbria, are forced to retreat to their stronghold on the Isle of Ely. They make a desperate stand against the Norman forces led by King William I (the Conqueror), but are defeated.
  • Edwin, earl of Mercia, rebels against William I, but is betrayed and killed. His castle and lands at Dudley (located in the West Midlands) are given to William's Norman subjects.





  1. ^ Kleinhenz, Christopher (2010). Medieval Italy: an encyclopedia. New York: Routledge. p. 95. ISBN 978-0-415-93930-0.