1018
Year 1018 was a common year starting on Wednesday of the Julian calendar.
Events
By place
Europe
- January 30 - The Peace of Bautzen: Emperor Henry II signs a peace treaty with Bolesław I the Brave, Duke of Poland, ending the German–Polish War. Poland keeps Lusatia – the Holy Roman Empire keeps Bohemia. With this peace agreement, Bolesław redirects his forces on an offensive against the Kievan Rus'.
- July 22-23 - Battle of the River Bug: Polish forces under Bolesław I defeat Yaroslav the Wise near the River Bug. Yaroslav retreats to Novgorod, abandoning Kiev.
- July 29 - Battle of Vlaardingen: Henry II sends an army towards Holland to subdue the rebellious Count Dirk III. The Imperial forces are defeated near Vlaardingen.
- August 14 - Bolesław I accepts the surrender of Kiev by the Pechenegs. He reinstates Sviatopolk I as Grand Prince of Kiev.
- August 15 - Ivats, Bulgarian nobleman and rebel leader, is treacherously blinded and captured by strategos Eustathios Daphnomeles, ending the last resistance to the Byzantine conquest of Bulgaria by Basil II.
- October 1 - Battle of Carham: King Malcolm II of Scotland and Owain Foel of Strathclyde are victorious over either Uhtred the Bold or Eadwulf Cudel, rulers of Bamburgh. The battle confirms Scottish dominance over Lothian.
- October - Battle of Cannae: The Lombard adventurer Melus of Bari and his Norman mercenaries are decisively defeated by the Byzantine army, led by the Catepan Basil Boioannes.
- Cnut, King of England, travels to Denmark to succeed his brother Harald II on the Danish throne.
Asia
- January 22 - Emperor Go-Ichijō of Japan celebrates his coming-of-age ceremony; he is aged 9 at this time.
- November 26 - 19-year-old Fujiwara no Ishi marries her nephew Go-Ichijō, becoming Empress of Japan, the third in succession of the daughters of influential court official Fujiwara no Michinaga to become Empress. Michinaga, who sent her to court in March, holds a banquet in celebration.
- December - Goryeo–Khitan War: Khitan forces of the Liao dynasty invade Goryeo. Goryeo forces led by General Kang Kam-ch'an annihilates the Khitan army at Kusong.
By topic
Religion
- Buckfast Abbey is founded as a Benedictine monastery in England.