990
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| 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 by topic |
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| Arts 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 Media
Castle of Montemor-o-Velho (Portugal)
990 (CMXC) was a common year starting on Wednesday of the Julian calendar, the 990th year of the Common Era (CE) and Anno Domini (AD) designations, the 990th year of the 1st millennium, the 90th year of the 10th century, and the 1st year of the 990s decade. As of the start of 990, the Gregorian calendar was 5 days ahead of the Julian calendar, which was the dominant calendar of the time.
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