1404
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1404 by topic | 
|---|
| Arts and science | 
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1404 in poetry | 
| Gregorian calendar | 1404 MCDIV | 
| Ab urbe condita | 2157 | 
| Armenian calendar | 853 ԹՎ ՊԾԳ | 
| Assyrian calendar | 6154 | 
| Balinese saka calendar | 1325–1326 | 
| Bengali calendar | 810–811 | 
| Berber calendar | 2354 | 
| English Regnal year | 5 Hen. 4 – 6 Hen. 4 | 
| Buddhist calendar | 1948 | 
| Burmese calendar | 766 | 
| Byzantine calendar | 6912–6913 | 
| Chinese calendar | 癸未年 (Water Goat) 4101 or 3894 — to — 甲申年 (Wood Monkey) 4102 or 3895 | 
| Coptic calendar | 1120–1121 | 
| Discordian calendar | 2570 | 
| Ethiopian calendar | 1396–1397 | 
| Hebrew calendar | 5164–5165 | 
| Hindu calendars | |
| - Vikram Samvat | 1460–1461 | 
| - Shaka Samvat | 1325–1326 | 
| - Kali Yuga | 4504–4505 | 
| Holocene calendar | 11404 | 
| Igbo calendar | 404–405 | 
| Iranian calendar | 782–783 | 
| Islamic calendar | 806–807 | 
| Japanese calendar | Ōei 11 (応永11年) | 
| Javanese calendar | 1318–1319 | 
| Julian calendar | 1404 MCDIV | 
| Korean calendar | 3737 | 
| Minguo calendar | 508 before ROC 民前508年 | 
| Nanakshahi calendar | −64 | 
| Thai solar calendar | 1946–1947 | 
| Tibetan calendar | 阴水羊年 (female Water-Goat) 1530 or 1149 or 377 — to — 阳木猴年 (male Wood-Monkey) 1531 or 1150 or 378 | 
Year 1404 (MCDIV) was a leap year starting on Tuesday of the Julian calendar.