1104
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 11th century – 12th century – 13th century |
| Decades: | 1070s 1080s 1090s – 1100s – 1110s 1120s 1130s |
| Years: | 1101 1102 1103 – 1104 – 1105 1106 1107 |
| 1104 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| 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 | 1026–1027 |
| - Kali Yuga | 4205–4206 |
| 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) |
| Julian calendar | 1104 MCIV |
| Korean calendar | 3437 |
| Minguo calendar | 808 before ROC 民前808年 |
| Seleucid era | 1415/1416 AG |
| Thai solar calendar | 1646–1647 |
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Year 1104 (MCIV) was a leap year starting on Friday (link will display the full calendar) of the Julian calendar.
Events
- April 21 – New basilica at Vézelay Abbey in France dedicated.
- May 7 – Battle of Harran: Baldwin II, count of Edessa, is taken prisoner by the Seljuk Turks; Tancred becomes regent.
- September 3 – St. Cuthbert is reburied in Durham Cathedral.
- The Venice Arsenal is founded in Venice.
- Alfonso I of Aragon becomes King of Aragon and Navarre.
- Historian Guibert of Nogent becomes abbot of Notre Dame de Nogent.
- Baldwin I of Jerusalem captures Acre.
- Georgians under king David IV (the builder) defeat 100 000 Seljuks with only 1,500 warriors.
- Sultan Kilij Arslan I of Sultanate of Rum starts a war with the Danishmends.
- Tuğtekin, atabeg of Damascus founds a short lived principality in Syria. First example of a series of Seljukid atabeg dynasties.
- The volcano Hekla erupts in Iceland, destroying settlements
Births
Deaths
- Peter I of Aragon, King of Aragon and Navarre
- Duqaq, Seljuk ruler of Damascus
- Serlo, Norman Abbot of Gloucester in England