400

Millennium: 1st millennium
Centuries: 3rd century4th century5th century
Decades: 370s  380s  390s  – 400s –  410s  420s  430s
Years: 397 398 399400401 402 403
400 by topic
Politics
State leaders – Sovereign states
Birth and death categories
Births – Deaths
Establishment and disestablishment categories
Establishments – Disestablishments
400 in other calendars
Gregorian calendar 400
CD
Ab urbe condita 1153
Armenian calendar N/A
Bahá'í calendar -1444 – -1443
Bengali calendar -193
Berber calendar 1350
Buddhist calendar 944
Burmese calendar -238
Byzantine calendar 5908 – 5909
Chinese calendar 己亥年十一月十九日
(3036/3096-11-19)
— to —
庚子年十一月三十日
(3037/3097-11-30)
Coptic calendar 116 – 117
Ethiopian calendar 392 – 393
Hebrew calendar 4160 – 4161
Hindu calendars
 - Bikram Samwat 456 – 457
 - Shaka Samvat 322 – 323
 - Kali Yuga 3501 – 3502
Holocene calendar 10400
Iranian calendar 222 BP – 221 BP
Islamic calendar 229 BH – 228 BH
Japanese calendar
Korean calendar 2733
Thai solar calendar 943
The eastern hemisphere in 400.
Europe in 400.

Year 400 (CD) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar.

Events

By place

Western Roman Empire

Europe

Africa

Asia

By topic

Art

Religion

Births

Deaths