990
| Millennium: | 1st millennium |
|---|---|
| Centuries: | 9th century – 10th century – 11th century |
| Decades: | 960s 970s 980s – 990s – 1000s 1010s 1020s |
| Years: | 987 988 989 – 990 – 991 992 993 |
990 Media
Castle of Montemor-o-Velho (Portugal)
| 990 by topic |
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| Arts, history, and science |
| Countries |
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| Lists of leaders |
| Birth and death categories |
| Establishments and disestablishments categories |
| Works category |
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990 (CMXC) was a common year starting on Wednesday in the Julian calendar.
Events
- January 1 – Kievan Rus' adopts the Julian calendar.
- Construction of the Al-Hakim Mosque begins in Cairo.
- The Pax Ecclesiae, an edict by the church in southern France attempting to outlaw acts of war against non-combatants and the clergy, is promulgated.
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.
- Johannes Skotus, Bishop of Mecklenburg (approximate)
Deaths
- Kaneie, regent to the Japanese emperor from 986 to 990.
- Al-Uqlidisi, Middle-East mathematician.
- Dunash ben Labrat