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This article is about the year 900. For the number, see 900 (number). For the skateboarding trick, see 900 (skateboarding). For series, see 900 series.
Millennium: 1st millennium
Centuries: 8th century9th century10th century
Decades: 870s  880s  890s  – 900s –  910s  920s  930s
Years: 897 898 899900901 902 903
900 by topic
State leadersSovereign states
Birth and death categories
Establishment and disestablishment categories
900 in other calendars
Gregorian calendar 900
Ab urbe condita 1653
Armenian calendar 349
Assyrian calendar 5650
Bengali calendar 307
Berber calendar 1850
Buddhist calendar 1444
Burmese calendar 262
Byzantine calendar 6408–6409
Chinese calendar 己未(Earth Goat)
3596 or 3536
    — to —
庚申年 (Metal Monkey)
3597 or 3537
Coptic calendar 616–617
Discordian calendar 2066
Ethiopian calendar 892–893
Hebrew calendar 4660–4661
Hindu calendars
 - Vikram Samvat 956–957
 - Shaka Samvat 821–822
 - Kali Yuga 4000–4001
Holocene calendar 10900
Iranian calendar 278–279
Islamic calendar 286–288
Japanese calendar Shōtai 3
Javanese calendar 798–799
Julian calendar 900
Korean calendar 3233
Minguo calendar 1012 before ROC
Nanakshahi calendar −568
Seleucid era 1211/1212 AG
Thai solar calendar 1442–1443
The Earth's eastern hemisphere around 900

Year 900 (CM) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar.


By area[edit]

The Americas[edit]

  • The Postclassic period starts in Mesoamerica.
  • The Maya city-state of Palenque was abandoned.
  • The Maya city-state of Copan was abandoned.
  • In Peru the Lambayeque people established themselves over areas previously developed by the Moche.


  • By this time the Fatimids broke away from the Abbasids and migrated to North Africa. They were descendants of Mohammad’s daughter, Fatima.
  • The east coast of Africa was impacted by trade and Arab, Persian and Indian traders mixed with the indigenous Bantu. Many of the coastal Bantu adopted Islam and the Arabic word Swahili, meaning "people of the shore," to describe themselves. By this time they had reached as far south as Sofala in Mozambique.



By topic[edit]




  • The Persian scientist Rhazes distinguishes smallpox from measles in the course of his writings. Holding against any sort of orthodoxy, particularly Aristotle's physics, he maintains "the conception of an 'absolute' time, regarded by him as a never-ending flow".




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