404

404 (CDIV) was a leap year starting on Friday of the Julian calendar, the 404th year of the Common Era (CE) and Anno Domini (AD) designations, the 404th year of the 1st millennium, the 4th year of the 5th century, and the 5th year of the 400s decade. As of the start of 404, the Gregorian calendar was 1 day ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	1st millennium
Centuries:	4th century – 5th century – 6th century
Decades:	370s  380s  390s  – 400s –  410s  420s  430s
Years:	401 402 403 – 404 – 405 406 407

404 in other calendars

Gregorian calendar	404 CDIV
Ab urbe condita	1157
Assyrian calendar	5154
Balinese saka calendar	325–326
Bengali calendar	−189
Berber calendar	1354
Buddhist calendar	948
Burmese calendar	−234
Byzantine calendar	5912–5913
Chinese calendar	癸卯年 (Water Rabbit) 3100 or 3040     — to — 甲辰年 (Wood Dragon) 3101 or 3041
Coptic calendar	120–121
Discordian calendar	1570
Ethiopian calendar	396–397
Hebrew calendar	4164–4165
Hindu calendars
- Vikram Samvat	460–461
- Shaka Samvat	325–326
- Kali Yuga	3504–3505
Holocene calendar	10404
Iranian calendar	218 BP – 217 BP
Islamic calendar	225 BH – 224 BH
Javanese calendar	287–288
Julian calendar	404 CDIV
Korean calendar	2737
Minguo calendar	1508 before ROC 民前1508年
Nanakshahi calendar	−1064
Seleucid era	715/716 AG
Thai solar calendar	946–947
Tibetan calendar	阴水兔年 (female Water-Rabbit) 530 or 149 or −623     — to — 阳木龙年 (male Wood-Dragon) 531 or 150 or −622

Events

• January 1 – Last gladiator competition in Rome.
• Atticus of Constantinople becomes Patriarch of Constantinople.
• Honorius moves the capital of the Western Roman Empire to Ravenna.
• Saint Telemachus matyrdom.