990
| Years: 986 987 988 989 - 990 - 991 992 993 994 | |
| Decades: 960s 970s 980s - 990s - 1000s 1010s 1020s | |
| Centuries: 9th century - 10th century - 11th century | |
Events
- Construction of the Al-Hakim Mosque begins in Cairo.
Births
- Conrad II, Holy Roman Emperor (approximate)
- Edmund II of England, (approximate)
- Mieszko II of Poland, king of Poland from 1025 to 1031, duke from 1032 to 1034.
- Yorimichi, regent to the Japanese emperor from 1017 to 1020 and from 1020 to 1068.
Deaths
- Kaneie, regent to the Japanese emperor from 986 to 990.
- Al-Uqlidisi, Middle-East mathematician.
- Dunash ben Labrat