1083
Year 1083 was a common year starting on Sunday of the Julian calendar.
Events
By place
Europe
- January 6 - A Castilian army, under Count Gonzalo Salvadórez and his son-in-law Ramiro Garcés, Lord of Calahorra, child of the late King García Sánchez III of Pamplona, enters the surrendered bastion of Rueda, but are then treacherously set upon and killed. Gonzalo, Ramiro, and Ramiro's illegitimate half-brother Sancho Garcés are among the many nobles to lose their lives, in what will be remembered as the 'disaster' or 'treachery of Rueda'.
- Summer - Henry IV, Holy Roman Emperor besieges Pope Gregory VII in Castel Sant'Angelo at Rome.
- October - While Robert Guiscard is in Italy, emperor Alexios I Komnenos retakes territory previously lost to the Normans, including the town of Kastoria. Several Normans, including Peter Aliphas, switch sides to the Byzantines.
- Reconquista: Castilian forces under Alfonso VI reconquer Talavera de la Reina in the Taifa of Toledo.
- King Sancho Ramírez of Pamplona and Aragon, conquers Graus.
- King William the Conqueror imprisons his half-brother Odo of Bayeux for planning a military expedition to Italy.
Africa
- Ceuta falls to the Almoravids, after a five-year siege.