1080

Events

 * , in a letter, reminds the that the  owes him no allegiance.
 * King establishes  liturgy in  church in place of.
 * , the first bishop in, dies while giving mass in Skálholt church.
 * Osmund, Bishop of Salisbury, builds castle.
 * The gained independence after its founder,, who succeeded in establishing his authority in the mountainous regions of Cilicia. This is generally held to have occurred in 1080.
 * The Chinese polymath scientist and statesman  begins his defensive military campaign against the  of the  Kingdom,  successfully defending the invasion route to.

Births

 * (d. )
 * , illegitimate daughter of and Leon (d. )

Deaths

 * — King (b. )