| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1104 by topic | |
| Leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Art and literature | |
| 1104 in poetry | |
| Gregorian calendar | 1104 MCIV |
| Ab urbe condita | 1857 |
| Armenian calendar | 553 ԹՎ ՇԾԳ |
| Assyrian calendar | 5854 |
| Bengali calendar | 511 |
| Berber calendar | 2054 |
| English Regnal year | 4 Hen. 1 – 5 Hen. 1 |
| Buddhist calendar | 1648 |
| Burmese calendar | 466 |
| Byzantine calendar | 6612–6613 |
| Chinese calendar |
癸未年 (Water Goat) 3800 or 3740 — to — 甲申年 (Wood Monkey) 3801 or 3741 |
| Coptic calendar | 820–821 |
| Discordian calendar | 2270 |
| Ethiopian calendar | 1096–1097 |
| Hebrew calendar | 4864–4865 |
| Hindu calendars | |
| - Vikram Samvat | 1160–1161 |
| - Shaka Samvat | 1025–1026 |
| - Kali Yuga | 4204–4205 |
| Holocene calendar | 11104 |
| Igbo calendar | 104–105 |
| Iranian calendar | 482–483 |
| Islamic calendar | 497–498 |
| Japanese calendar |
Kōwa 6 / Chōji 1 (長治元年) |
| Javanese calendar | 1009–1010 |
| Julian calendar | 1104 MCIV |
| Korean calendar | 3437 |
| Minguo calendar | 808 before ROC 民前808年 |
| Nanakshahi calendar | −364 |
| Seleucid era | 1415/1416 AG |
| Thai solar calendar | 1646–1647 |
Year 1104 (MCIV) was a leap year starting on Friday (link will display the full calendar) of the Julian calendar.