|1077 in topic|
|Lists of leaders|
|Political entities - State leaders - Religious leaders|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
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- The Seljuk Turks capture Nicaea.
- Suleyman I of Rûm becomes the leader of the Seljuk Sultanate of Rûm, in modern Turkey.
- Anushtegin Gharchai becomes, as a Seljuk vassal, leader of the Khwarezmid Empire.
- January 26 – Walk to Canossa: Henry IV, Holy Roman Emperor, visits Pope Gregory VII as a penitent, asking him to remove the sentence of excommunication.
- January 28 – The excommunication of Henry IV, Holy Roman Emperor is lifted.
- April 3
- Robert Curthose instigates his first insurrection against his father, William the Conqueror, in Normandy.
- The Kingdom of Duklja is founded.
- The first recorded trial by combat is held in England.
- Vsevolod of Kiev becomes the prince of Kievan Rus'.
- Alfonso VI of Castile conquers Coria.
- Pope Gregory VII places the island of Corsica under the secular rule of the Archbishop of Pisa.
- Hugh of Burgundy supports the king of Aragon, in his conquest of the castle of Muñones from the emir of Zaragossa.
- The Bayeux Tapestry is made.
- The first English Cluniac Benedictine priory is established, at Lewes.
- Paul of Caen is installed as Abbot of St. Albans in England; the building of St Albans Abbey Church commences.
- Pope Christodolos of Alexandria ends his reign as Coptic Pope.
- Dionysius V Lazaros becomes Syriac Orthodox Patriarch of Antioch.
- April 11 – Anawrahta, king of Burma and founder of the Pagan Empire (b. 1014)
- April 25 – Géza I of Hungary
- October 14 – Andronicus Ducas, Byzantine courtier (b. 1022)
- December 14 – Agnes of Poitou, Holy Roman Empress and regent (b. c. 1025)
- Abu'l-Fadl Bayhaqi, Persian historian and author (b. 995)
- Shao Yong, Chinese philosopher, cosmologist, poet and historian (b. 1011)
- Zhang Zai, Chinese Neo-Confucian moral philosopher and cosmologist (b. 1020)
- Picard, Christophe (2000). Le Portugal musulman (VIIIe-XIIIe siècle. L'Occident d'al-Andalus sous domination islamique. Paris: Maisonneuve & Larose. p. 109. ISBN 2-7068-1398-9.
- Colombani, Philippe (2010). Héros corses du Moyen Age. Ajaccio: Albiana. p. 173. ISBN 978-2-84698-338-9.
- Canellas, Angel (1951). "Las Cruzadas de Aragon en el Siglo XI". Archived from the original on February 25, 2012. Retrieved 22 February 2012.