1076

Events

January 24 – Synod of Worms: Emperor Henry IV, holds a synod in Worms (modern Germany). The assembly declares Pope Gregory VII deposed, and the bishops abandon their allegiance to him.
February 22 – Gregory VII pronounces a sentence of excommunication against Henry IV at Rome. He is excluded from the Catholic Church, and all the bishops named by Henry are excommunicated.
Summer – Dirk V, count of Holland, re-conquers West Frisia (modern Netherlands) from the Archdiocese of Utrecht. He besieges Bishop Conrad at the castle of IJsselmonde, taking him prisoner.
October 8 – Demetrius Zvonimir is crowned as king of Croatia in Solin (near Split), in the Basilica of Saint Peter and Moses (known later as the Hollow Church) by a representative of Gregory VII.
December 13 – Norman conquest of southern Italy: Italo-Norman forces under Robert Guiscard de Hauteville and Richard I of Capua, conquer the fortress city of Salerno after a short siege.
December 26 – BolesÃÂaw II the Bold (or "the Generous") is crowned as King of Poland by Archbishop BogumiÃÂ in Gniezno Cathedral. BolesÃÂaw supports Gregory VII in his conflict against Henry IV.

May 31 – Waltheof, Earl of Northumbria, a participant in the Revolt of the Earls against King William the Conqueror, is beheaded near Winchester.
November 1 – A frost begins that lasts until April 1077.
Approximate date – The Trial of Penenden Heath is held, with an important ruling regarding land rights subsequent to the Norman Conquest.

Approximate date – Koumbi Saleh, an important mercantile and political center of the Ghana Empire (modern Mauritania), is besieged by the Almoravids.

Vikramaditya VI deposes his older brother Someshvara II to become king of the Western Chalukya Empire (modern India).

Anselm of Aosta, an Italian Benedictine abbot, completes his Monologion at the request of his fellow monks.

Demetrius Zvonimir donates the Benedictine monastery of St. Gregory in Vrana to Gregory VII.</onlyinclude>