986 was a common year in the 10th century.
|Centuries:||9th century – 10th century – 11th century|
|Decades:||950s 960s 970s – 980s – 990s 1000s 1010s|
|Years:||983 984 985 – 986 – 987 988 989|
- March 2 – Louis V becomes King of the Franks
- End of the reign of Emperor Kazan, emperor of Japan
- Emperor Ichijō ascends to the throne of Japan
- Explorer Bjarni Herjólfsson becomes the first inhabitant of the Old World to sight North America
- Sweyn Forkbeard becomes King of Denmark
- Song Dynasty sends armies on three fronts against the Liao Dynasty in the Sixteen Prefectures but are defeated on all fronts.
- for more information, see Category:986 births.
- for more information, see Category:986 deaths.