|Covid-19|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 Tripiṭaka is completed (approximate date).
Anund Gårdske is deposed as king of Svealand and king Håkan the Red of Götaland proclaims himself king of all Sweden.
The Seljuq 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 heated border dispute with the Liao dynasty by dredging up old diplomatic records; he refutes 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 rightful borders.
Lothair II, Holy Roman Emperor (d. 1137)
Saint Magnus Erlendsson (d. 1116 or 1117)
Adelaide del Vasto (d. 1118)
Orderic Vitalis, monk and historian (approximate date)
June 10 – Ernest, Margrave of Austria (b. 1027)
August 2 – Patriarch John VIII of Constantinople
December 4 – Anno II, archbishop of Cologne
December 18 – Edith of Wessex, queen of Edward the Confessor of England
John Xiphilinus, Byzantine historian
Bleddyn ap Cynfyn, King of Gwynedd
King Peter Krešimir IV of Croatia
Year 1075 (MLXXV) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar.
(Text) CC BY-SA