| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
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| 1304 by topic |
|---|
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Art and literature |
| 1304 in poetry |
| Gregorian calendar | 1304 MCCCIV |
| Ab urbe condita | 2057 |
| Armenian calendar | 753 ԹՎ ՉԾԳ |
| Assyrian calendar | 6054 |
| Balinese saka calendar | 1225–1226 |
| Bengali calendar | 711 |
| Berber calendar | 2254 |
| English Regnal year | 32 Edw. 1 – 33 Edw. 1 |
| Buddhist calendar | 1848 |
| Burmese calendar | 666 |
| Byzantine calendar | 6812–6813 |
| Chinese calendar | 癸卯年 (Water Rabbit) 4001 or 3794 — to — 甲辰年 (Wood Dragon) 4002 or 3795 |
| Coptic calendar | 1020–1021 |
| Discordian calendar | 2470 |
| Ethiopian calendar | 1296–1297 |
| Hebrew calendar | 5064–5065 |
| Hindu calendars | |
| - Vikram Samvat | 1360–1361 |
| - Shaka Samvat | 1225–1226 |
| - Kali Yuga | 4404–4405 |
| Holocene calendar | 11304 |
| Igbo calendar | 304–305 |
| Iranian calendar | 682–683 |
| Islamic calendar | 703–704 |
| Japanese calendar | Kagen 2 (嘉元２年) |
| Javanese calendar | 1215–1216 |
| Julian calendar | 1304 MCCCIV |
| Korean calendar | 3637 |
| Minguo calendar | 608 before ROC 民前608年 |
| Nanakshahi calendar | −164 |
| Thai solar calendar | 1846–1847 |
| Tibetan calendar | 阴水兔年 (female Water-Rabbit) 1430 or 1049 or 277 — to — 阳木龙年 (male Wood-Dragon) 1431 or 1050 or 278 |
Year 1304 (MCCCIV) was a leap year starting on Wednesday (link will display the full calendar) of the Julian calendar.