1073 (MLXXIII) was a common year starting on Tuesday of the Julian calendar, the 1073rd year of the Common Era (CE) and Anno Domini (AD) designations, the 73rd year of the 2nd millennium, the 73rd year of the 11th century, and the 4th year of the 1070s decade. As of the start of 1073, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium: 2nd millennium
Centuries: 10th century11th century12th century
Decades: 1040s  1050s  1060s  – 1070s –  1080s  1090s  1100s
Years: 1070 1071 107210731074 1075 1076
1073 in other calendars
Gregorian calendar1073
MLXXIII
Ab urbe condita1826
Armenian calendar522
ԹՎ ՇԻԲ
Assyrian calendar5823
Balinese saka calendar994–995
Bengali calendar480
Berber calendar2023
English Regnal yearWill. 1 – 8 Will. 1
Buddhist calendar1617
Burmese calendar435
Byzantine calendar6581–6582
Chinese calendar壬子(Water Rat)
3769 or 3709
    — to —
癸丑年 (Water Ox)
3770 or 3710
Coptic calendar789–790
Discordian calendar2239
Ethiopian calendar1065–1066
Hebrew calendar4833–4834
Hindu calendars
 - Vikram Samvat1129–1130
 - Shaka Samvat994–995
 - Kali Yuga4173–4174
Holocene calendar11073
Igbo calendar73–74
Iranian calendar451–452
Islamic calendar465–466
Japanese calendarEnkyū 5
(延久5年)
Javanese calendar977–978
Julian calendar1073
MLXXIII
Korean calendar3406
Minguo calendar839 before ROC
民前839年
Nanakshahi calendar−395
Seleucid era1384/1385 AG
Thai solar calendar1615–1616
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
Pope Gregory VII (c. 1015–1085)
Pope Gregory VII (c. 1015–1085)

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