1018
| Years: 1015 1016 1017 - 1018 - 1019 1020 1021 | |
| Decades: 980s 990s 1000s - 1010s - 1020s 1030s 1040s | |
| Centuries: 10th century - 11th century - 12th century | |
Events
- Bulgaria becomes part of the Byzantine Empire.
- Peace of Bautzen between Poland and Germany.
- Boleslaus I of Poland conquers Red Ruthenia.
- Battle of Carham: The Scots conquer Lothian.
- Northumberland becomes part of Scotland.
- De facto end of the independence of Strathclyde.
- Canute the Great becomes king of Denmark (or 1019), succeeding Harold II.
- Battle of Vlaardingen: Count Dirk III defeats an army sent by Emperor Henry II at Vlaardingen.
- Buckfast Abbey founded.
- The city of Koblenz is given to the archbishop of Trier.
Births
- Harthacanute (or 1019)
- Michael Psellus the Younger, philosopher and historian
Deaths
- June 23: Margrave Henry I of Austria
- December 1: Thietmar, bishop and chronologist (or 1019)
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