1080

Events

* October 14 1080 the battle of Elstercite web
url=http://books.google.com/books?id=Exxeto51p3cC&pg=PA27&lpg=PA27&dq=%22Battle+of+Elster%22&source=web&ots=84O0aieb-e&sig=ed2QOde7wJvDRZ8ykUDuwZdJ3_8&hl=en
title=Victory in the East (Book extract)
author=John France
quote=Godfrey was almost certainly present in support of Henry IV at the battle of Elster in 1080 (sic 1085... an error or typo), when the forces of the anti-king Rudolf triumphed on the field only to see their victory nullified because Rudolf was killed] between the armies of the two rival brothers-in-law kings of the Germanies, Henry IV and Rudolf of Rheinfelden met at the Weisse-Elster River in the Great Saxon Revolt civil war of the Holy Roman Empire.

Uncertain dates

* William I of England, in a letter, reminds the Bishop of Rome that the King of England owes him no allegiance.
* King Alfonso VI of Castile establishes Latin liturgy in the Catholic Church in place of the Mozarabic Rite.
* Ísleifur Gissurarson, the first bishop in Iceland, dies while giving mass in Skálholt church.
* Osmund, Bishop of Salisbury, builds Devizes Castle.
* The Armenian Kingdom of Cilicia gains independence after its founder, Prince Ruben, succeeds in establishing his authority in the mountainous regions of Cilicia (approximate date).
* The Song Dynasty Chinese polymath scientist and statesman Shen Kuo begins his defensive military campaign against the Tanguts of the Western Xia Kingdom, successfully defending the invasion route to Yan'an.

Births

* Leopold IV of Austria (d. 1141)
* Teresa of Leon, illegitimate daughter of Alfonso VI of Castile and Leon (d. 1130)

Deaths

* April 17 — King Harald III of Denmark (b. 1041)
* May 15 — William Walcher, Bishop of Durham
* October 15 — duke Rudolf of Rheinfelden leader the Great Saxon Revolt dies from wounds gotten during the battle of Elster at nearby Merseburg during civil war of the Holy Roman EmpireIbid]

References