804

This article is about the year 804. For the number, see 804 (number). For other uses, see 804 (disambiguation).

Millennium:	1st millennium
Centuries:	8th century – 9th century – 10th century
Decades:	770s 780s 790s – 800s – 810s 820s 830s
Years:	801 802 803 – 804 – 805 806 807

804 by topic
Politics
State leaders – Sovereign states
Birth and death categories
Births – Deaths
Establishment and disestablishment categories
Establishments – Disestablishments

804 in other calendars
Gregorian calendar	804 DCCCIV
Ab urbe condita	1557
Armenian calendar	253 ԹՎ ՄԾԳ
Assyrian calendar	5554
Bengali calendar	211
Berber calendar	1754
Buddhist calendar	1348
Burmese calendar	166
Byzantine calendar	6312–6313
Chinese calendar	癸未年 (Water Goat) 3500 or 3440 — to — 甲申年 (Wood Monkey) 3501 or 3441
Coptic calendar	520–521
Discordian calendar	1970
Ethiopian calendar	796–797
Hebrew calendar	4564–4565
Hindu calendars
- Vikram Samvat	860–861
- Shaka Samvat	726–727
- Kali Yuga	3905–3906
Holocene calendar	10804
Iranian calendar	182–183
Islamic calendar	188–189
Japanese calendar	Enryaku 23 (延暦２３年)
Julian calendar	804 DCCCIV
Korean calendar	3137
Minguo calendar	1108 before ROC 民前1108年
Seleucid era	1115/1116 AG
Thai solar calendar	1346–1347

Wikimedia Commons has media related to 804.

Year 804 (DCCCIV) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar.

Events

Japanese monk Kukai visits China, from which he brings back texts of Shingon (Esoteric Buddhism).
804–805 – Priest Saicho, patriarch of Tendai Buddhism, visits China and reportedly brings back tea seeds.

Emperor Nikephoros I of Byzantium suffers a major defeat against the Saracens at the Battle of Krasos.

March 25 – The Inscription of Sukabumi from Eastern Java marks the beginning of the Javanese language.