1073

1073 in various calendars
Gregorian calendar	1073; MLXXIII
Ab urbe condita	1826
Armenian calendar	522; ԹՎ ՇԻԲ
Assyrian calendar	5823
Balinese saka calendar	994–995
Bengali calendar	480
Berber calendar	2023
English Regnal year	7 Will. 1 – 8 Will. 1
Buddhist calendar	1617
Burmese calendar	435
Byzantine calendar	6581–6582
Chinese calendar	壬子年 (Water Rat); 3770 or 3563; — to —; 癸丑年 (Water Ox); 3771 or 3564
Coptic calendar	789–790
Discordian calendar	2239
Ethiopian calendar	1065–1066
Hebrew calendar	4833–4834
Hindu calendars
- Vikram Samvat	1129–1130
- Shaka Samvat	994–995
- Kali Yuga	4173–4174
Holocene calendar	11073
Igbo calendar	73–74
Iranian calendar	451–452
Islamic calendar	465–466
Japanese calendar	Enkyū 5; (延久５年)
Javanese calendar	977–978
Julian calendar	1073; MLXXIII
Korean calendar	3406
Minguo calendar	839 before ROC; 民前839年
Nanakshahi calendar	−395
Seleucid era	1384/1385 AG
Thai solar calendar	1615–1616
Tibetan calendar	阳水鼠年; (male Water-Rat); 1199 or 818 or 46; — to —; 阴水牛年; (female Water-Ox); 1200 or 819 or 47

Millennium:	2nd millennium
Centuries:	10th century; 11th century ; 12th century;
Decades:	1050s; 1060s; 1070s ; 1080s; 1090s;
Years:	1070; 1071; 1072; 1073 ; 1074; 1075; 1076;

Year 1073 (MLXXIII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.

Events

Spring – Emperor Michael VII Doukas sends a Byzantine army to deal with Seljuk raiding in Cappadocia, supported with a mixed force of Norman and French mercenary heavy cavalry under Roussel de Bailleul. Roussel re-conquers some territory in Galatia and declares it an independent Norman state. Michael, enraged, sends another army led by his uncle, Caesar John Doukas and the veteran General Nikephoros Botaneiates to deal with the rising of the Norman threat in Asia minor. But the Byzantines are defeated and John is captured. Roussel marches with a force (3,000 men) across Bithynia to the Bosporus and sacks Chrysopolis, near Constantinople.^[1]

May 25 – King Sancho IV of Navarre and Ahmad al-Muqtadir, Muslim ruler of the Taifa of Zaragoza, conclude an alliance by treaty.^[2]
October 14 – The Judicate of Arborea (one of the four independent kingdoms in Sardinia) is recognised by Pope Gregory VII.
Ebles II of Roucy leads a French army in Spain, to support King Sancho V of Aragon in his struggle against his Muslim neighbors.^[3]
Sviatoslav II and Vsevolod I unite the Kievan forces and expel their brother Iziaslav I. Sviatoslav II becomes Grand Prince of Kiev.

Edgar Ætheling, last male member of the House of Wessex, joins forces with Kings Malcolm III of Scotland and Philip I of France in an attempt to take the English throne.

Wang Anshi, Chinese chief chancellor of the Song dynasty, creates a new bureau of the central government (called the Directorate of Weapons), which supervises the manufacture of military armaments and ensures quality control.
June 15 – Emperor Emperor Go-Sanjō dies after a 5-year reign and is succeeded by his 19-year-old son Shirakawa as the 72nd emperor of Japan.

Pope Alexander II dies after a 11½-year pontificate at Rome. He is succeeded by Gregory VII as the 157th pope of the Catholic Church.^[4]
Rabbi Yitchaki Alfassi finishes writing the Rif, an important work of Jewish law.
John IX bar Shushan ends his term as Syriac Orthodox Patriarch of Antioch.

February 21 (approximate date) – Peter Damian, cardinal-bishop of Ostia (b. c. 1007)
April 21 – Alexander II, pope of the Catholic Church (b. 1010/15)^[5]
June 15 – Go-Sanjō, emperor of Japan (b. 1032)
June 30 – Badis ibn Habus, Berber king of the Taifa of Granada (b. 1002)
July 12 – John Gualbert, Italian monk, abbot and saint (b. c. 985)
December 20 – Dominic of Silos, Spanish abbot (b. 1000)
Anthony of Kiev, Russian monk and saint (b. 983)
Zhou Dunyi, Chinese philosopher and cosmologist (b. 1017)
Approximate date – Barisone I of Torres, Sardinian ruler (judge) of Arborea

^ Brian Todd Carey (2012). Road to Manzikert: Byzantine and Islamic Warfare (527–1071), p. 155. ISBN 978-1-84884-215-1.
^ Fletcher, R. A. (1987). "Reconquest and Crusade in Spain c. 1050-1150". Transactions of the Royal Historical Society. 5. 37: 31–47 [35]. JSTOR 3679149.
^ Canellas, Angel (1951). "Las Cruzadas de Aragon en el Siglo XI". Argensola: Revista de Ciencias Sociales del Instituto de Estudios Altoaragoneses. 7. ISSN 0518-4088. Archived from the original on July 15, 2014. Retrieved February 22, 2012.
^ Hibbert, Christopher (1987). Rome: The Biography of the City. New York: Penguin. p. 87. ISBN 0-14-007078-8.
^ "Alexander II | pope". Encyclopedia Britannica. Retrieved November 30, 2020.

Gregorian calendar	1073 MLXXIII
Ab urbe condita	1826
Armenian calendar	522 ԹՎ ՇԻԲ
Assyrian calendar	5823
Balinese saka calendar	994–995
Bengali calendar	480
Berber calendar	2023
English Regnal year	7 Will. 1 – 8 Will. 1
Buddhist calendar	1617
Burmese calendar	435
Byzantine calendar	6581–6582
Chinese calendar	壬子年 (Water Rat) 3770 or 3563 — to — 癸丑年 (Water Ox) 3771 or 3564
Coptic calendar	789–790
Discordian calendar	2239
Ethiopian calendar	1065–1066
Hebrew calendar	4833–4834
Hindu calendars
- Vikram Samvat	1129–1130
- Shaka Samvat	994–995
- Kali Yuga	4173–4174
Holocene calendar	11073
Igbo calendar	73–74
Iranian calendar	451–452
Islamic calendar	465–466
Japanese calendar	Enkyū 5 (延久５年)
Javanese calendar	977–978
Julian calendar	1073 MLXXIII
Korean calendar	3406
Minguo calendar	839 before ROC 民前839年
Nanakshahi calendar	−395
Seleucid era	1384/1385 AG
Thai solar calendar	1615–1616
Tibetan calendar	阳水鼠年 (male Water-Rat) 1199 or 818 or 46 — to — 阴水牛年 (female Water-Ox) 1200 or 819 or 47