1071

1071 in various calendars
Gregorian calendar	1071; MLXXI
Ab urbe condita	1824
Armenian calendar	520; ԹՎ ՇԻ
Assyrian calendar	5821
Balinese saka calendar	992–993
Bengali calendar	477–478
Berber calendar	2021
English Regnal year	5 Will. 1 – 6 Will. 1
Buddhist calendar	1615
Burmese calendar	433
Byzantine calendar	6579–6580
Chinese calendar	庚戌年 (Metal Dog); 3768 or 3561; — to —; 辛亥年 (Metal Pig); 3769 or 3562
Coptic calendar	787–788
Discordian calendar	2237
Ethiopian calendar	1063–1064
Hebrew calendar	4831–4832
Hindu calendars
- Vikram Samvat	1127–1128
- Shaka Samvat	992–993
- Kali Yuga	4171–4172
Holocene calendar	11071
Igbo calendar	71–72
Iranian calendar	449–450
Islamic calendar	463–464
Japanese calendar	Enkyū 3; (延久３年)
Javanese calendar	975–976
Julian calendar	1071; MLXXI
Korean calendar	3404
Minguo calendar	841 before ROC; 民前841年
Nanakshahi calendar	−397
Seleucid era	1382/1383 AG
Thai solar calendar	1613–1614
Tibetan calendar	ལྕགས་ཕོ་ཁྱི་ལོ་; (male Iron-Dog); 1197 or 816 or 44; — to —; ལྕགས་མོ་ཕག་ལོ་; (female Iron-Boar); 1198 or 817 or 45

Events

August 26 – Battle 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 (though 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 John Doukas (Caesar) 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 Kingdom of Hungary launches a campaign against the Byzantine Empire. They besiege and capture the border fortress of Belgrade, along with Sirmium and Taurunum.^[1]

February 22 – Battle of Cassel: Robert I ("the Frisian") defeats his sister-in-law Richilde (widow of Baldwin VI) and her nephew Arnulf III, in a succession struggle for the County of Flanders. Robert is appointed count by King Philip I of France.
April 15 – Siege of Bari: The capital of Bari, the last Byzantine-controlled city in the Catepanate of Italy, is captured by Italo-Norman forces under Duke Robert Guiscard after a 32-month siege.^[2]

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 in The Fens. They make a desperate stand against the Norman forces led by King William 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.

May – Zaynab an-Nafzawiyyah marries Yusuf ibn Tashfin, leader of the Almoravids, and becomes his queen and co-regent.

^ B. Szabó, János (2013). Háborúban Bizánccal. Magyarország és a Balkán a 11–12. században [War with the Byzantium. Hungary and the Balkans in the 11–12th Century] (in Hungarian). Corvina. pp. 84–86. ISBN 978-963-13-6150-6.
^ Kleinhenz, Christopher (2010). Medieval Italy: an encyclopedia. New York: Routledge. p. 95. ISBN 978-0-415-93930-0.

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10th century 11th century 12th century
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1068 1069 1070 1071 1072 1073 1074
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