1071

This article is about the year 1071.

Millennium:	2nd millennium
Centuries:	10th century – 11th century – 12th century
Decades:	1040s  1050s  1060s  – 1070s –  1080s  1090s  1100s
Years:	1068 1069 1070 – 1071 – 1072 1073 1074

1071 by topic

Lists of leaders

State leaders

Birth and death categories

Births – Deaths

Establishments and disestablishments categories

Establishments – Disestablishments

1071 in other calendars

Gregorian calendar	1071 MLXXI
Ab urbe condita	1824
Armenian calendar	520 ԹՎ ՇԻ
Assyrian calendar	5821
Bengali calendar	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) 3767 or 3707     — to — 辛亥年 (Metal Pig) 3768 or 3708
Coptic calendar	787–788
Discordian calendar	2237
Ethiopian calendar	1063–1064
Hebrew calendar	4831–4832
Hindu calendars
- Vikram Samvat	1127–1128
- Shaka Samvat	993–994
- Kali Yuga	4172–4173
Holocene calendar	11071
Igbo calendar	71–72
Iranian calendar	449–450
Islamic calendar	463–464
Japanese calendar	Enkyū 3 (延久３年)
Julian calendar	1071 MLXXI
Korean calendar	3404
Minguo calendar	841 before ROC 民前841年
Seleucid era	1382/1383 AG
Thai solar calendar	1613–1614

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

Events

• February 22 – Battle of Cassel: Robert the Frisian (son of Baldwin V) defeats his sister-in-law Richilde (widow of Baldwin VI) and her nephew Arnulf III in a succession struggle for the County of Flanders and is appointed count by King Philip.
• April 15 – Siege of Bari ends when Bari, the capital and last Byzantine-controlled city in the Catepanate of Italy, is captured by Italo-Norman forces under Robert Guiscard.
• August 26 – Battle of Manzikert: The Byzantine Empire loses to an army of Seljuq Turks led by Alp Arslan. Byzantine civil war resulted in Turkish conquest of Anatolia.
• William I of England defeats Hereward the Wake's rebellion on the Isle of Ely.
• Edwin, Earl of Mercia, rebels against William I of England but is betrayed and killed, leading to the re-distribution of land within Mercia to William's subjects.

Births

• October 22 – William IX, Duke of Aquitaine, poet (d. 1126)

Deaths

• February 22 – Arnulf III, Count of Flanders (in battle) (b. c. 1055)
• Geoffrey of Hauteville (b.c. 1020)
• Domenico I Contarini, 30th Doge of the Republic of Venice