900 (CM) was a leap year starting on Tuesday of the Julian calendar, the 900th year of the Common Era (CE) and Anno Domini (AD) designations, the 900th year of the 1st millennium, the 100th and last year of the 9th century, and the 1st year of the 900s decade. As of the start of 900, the Gregorian calendar was 4 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium: 1st millennium
Centuries: 8th century9th century10th century
Decades: 870s  880s  890s  – 900s –  910s  920s  930s
Years: 897 898 899900901 902 903
900 in other calendars
Gregorian calendar900
CM
Ab urbe condita1653
Armenian calendar349
ԹՎ ՅԽԹ
Assyrian calendar5650
Balinese saka calendar821–822
Bengali calendar307
Berber calendar1850
Buddhist calendar1444
Burmese calendar262
Byzantine calendar6408–6409
Chinese calendar己未(Earth Goat)
3596 or 3536
    — to —
庚申年 (Metal Monkey)
3597 or 3537
Coptic calendar616–617
Discordian calendar2066
Ethiopian calendar892–893
Hebrew calendar4660–4661
Hindu calendars
 - Vikram Samvat956–957
 - Shaka Samvat821–822
 - Kali Yuga4000–4001
Holocene calendar10900
Iranian calendar278–279
Islamic calendar286–288
Japanese calendarShōtai 3
(昌泰3年)
Javanese calendar798–799
Julian calendar900
CM
Korean calendar3233
Minguo calendar1012 before ROC
民前1012年
Nanakshahi calendar−568
Seleucid era1211/1212 AG
Thai solar calendar1442–1443
Tibetan calendar阴土羊年
(female Earth-Goat)
1026 or 645 or −127
    — to —
阳金猴年
(male Iron-Monkey)
1027 or 646 or −126

Events

change