| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1204 by topic |
|---|
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Art and literature |
| 1204 in poetry |
| Gregorian calendar | 1204 MCCIV |
| Ab urbe condita | 1957 |
| Armenian calendar | 653 ԹՎ ՈԾԳ |
| Assyrian calendar | 5954 |
| Balinese saka calendar | 1125–1126 |
| Bengali calendar | 611 |
| Berber calendar | 2154 |
| English Regnal year | 5 Joh. 1 – 6 Joh. 1 |
| Buddhist calendar | 1748 |
| Burmese calendar | 566 |
| Byzantine calendar | 6712–6713 |
| Chinese calendar | 癸亥年 (Water Pig) 3901 or 3694 — to — 甲子年 (Wood Rat) 3902 or 3695 |
| Coptic calendar | 920–921 |
| Discordian calendar | 2370 |
| Ethiopian calendar | 1196–1197 |
| Hebrew calendar | 4964–4965 |
| Hindu calendars | |
| - Vikram Samvat | 1260–1261 |
| - Shaka Samvat | 1125–1126 |
| - Kali Yuga | 4304–4305 |
| Holocene calendar | 11204 |
| Igbo calendar | 204–205 |
| Iranian calendar | 582–583 |
| Islamic calendar | 600–601 |
| Japanese calendar | Kennin 4 / Genkyū 1 (元久元年) |
| Javanese calendar | 1112–1113 |
| Julian calendar | 1204 MCCIV |
| Korean calendar | 3537 |
| Minguo calendar | 708 before ROC 民前708年 |
| Nanakshahi calendar | −264 |
| Thai solar calendar | 1746–1747 |
| Tibetan calendar | 阴水猪年 (female Water-Pig) 1330 or 949 or 177 — to — 阳木鼠年 (male Wood-Rat) 1331 or 950 or 178 |
Year 1204 (MCCIV) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar.