AD 1075

1075 in other calendars
Gregorian calendar	1075; MLXXV
Ab urbe condita	1828
Armenian calendar	524; ԹՎ ՇԻԴ
Assyrian calendar	5825
Balinese saka calendar	996–997
Bengali calendar	482
Berber calendar	2025
English Regnal year	9 Will. 1 – 10 Will. 1
Buddhist calendar	1619
Burmese calendar	437
Byzantine calendar	6583–6584
Chinese calendar	甲寅年 (Wood Tiger); 3771 or 3711; — to —; 乙卯年 (Wood Rabbit); 3772 or 3712
Coptic calendar	791–792
Discordian calendar	2241
Ethiopian calendar	1067–1068
Hebrew calendar	4835–4836
Hindu calendars
- Vikram Samvat	1131–1132
- Shaka Samvat	996–997
- Kali Yuga	4175–4176
Holocene calendar	11075
Igbo calendar	75–76
Iranian calendar	453–454
Islamic calendar	467–468
Japanese calendar	Jōhō 2; (承保２年)
Javanese calendar	979–980
Julian calendar	1075; MLXXV
Korean calendar	3408
Minguo calendar	837 before ROC; 民前837年
Nanakshahi calendar	−393
Seleucid era	1386/1387 AG
Thai solar calendar	1617–1618
Tibetan calendar	阳木虎年; (male Wood-Tiger); 1201 or 820 or 48; — to —; 阴木兔年; (female Wood-Rabbit); 1202 or 821 or 49

Millennium:	2nd millennium
Centuries:	10th century – 11th century – 12th century
Decades:	1040s 1050s 1060s – 1070s – 1080s 1090s 1100s
Years:	1072 1073 1074 – 1075 – 1076 1077 1078

1075 (MLXXV) was a common year starting on Thursday of the Julian calendar, the 1075th year of the Common Era (CE) and Anno Domini (AD) designations, the 75th year of the 2nd millennium, the 75th year of the 11th century, and the 6th year of the 1070s decade. As of the start of 1075, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.

Events

February – Pope Gregory VII holds a council that publishes a decree against lay investiture.
April – Pope Gregory VII publishes the Dictatus Papae (Sayings of the Pope, aka the Dictates of Hildebrand), in which he asserts papal authority over earthly as well as spiritual rulers.
Revolt of the Earls: Three earls rebel against William I of England (William the Conqueror), in the last serious act of resistance to the Norman Conquest.
First Battle of Langensalza: Henry IV, Holy Roman Emperor defeats the Saxon nobles and subjugates Saxony.
The Liao Dynasty version of the Buddhist Tripitaka is completed (approximate date).
Anund Gårdske is removed as king of Svealand and king Håkan the Red of Gothenland makes himself king of all Sweden.
The Seljuk Turks take Jerusalem from the Fatimids.
Lý dynasty forces under Lý Thường Kiệt defend Vietnam against invasion by Song Dynasty China.
The Song Dynasty Chinese polymath scientist and statesman Shen Kuo solves a border dispute with the Liao Dynasty by finding old diplomatic records; he argues Emperor Daozong of Liao's bluffs point for point during a meeting at Mt. Yongan (near modern Pingquan in Hebei), and reestablishes the Song's borders.