1098
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 10th century – 11th century – 12th century |
| Decades: | 1060s 1070s 1080s – 1090s – 1100s 1110s 1120s |
| Years: | 1095 1096 1097 – 1098 – 1099 1100 1101 |
| 1098 by topic | |
| Lists of leaders | |
| State leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 1098 MXCVIII |
| Ab urbe condita | 1851 |
| Armenian calendar | 547 ԹՎ ՇԽԷ |
| Bahá'í calendar | -746 – -745 |
| Bengali calendar | 505 |
| Berber calendar | 2048 |
| Buddhist calendar | 1642 |
| Burmese calendar | 460 |
| Byzantine calendar | 6606 – 6607 |
| Chinese calendar | 丁丑年十一月廿六日 (3734/3794-11-26) — to —
戊寅年十二月初六日(3735/3795-12-6) |
| Coptic calendar | 814 – 815 |
| Ethiopian calendar | 1090 – 1091 |
| Hebrew calendar | 4858 – 4859 |
| Hindu calendars | |
| - Bikram Samwat | 1154 – 1155 |
| - Shaka Samvat | 1020 – 1021 |
| - Kali Yuga | 4199 – 4200 |
| Holocene calendar | 11098 |
| Iranian calendar | 476 – 477 |
| Islamic calendar | 491 – 492 |
| Japanese calendar | |
| Korean calendar | 3431 |
| Thai solar calendar | 1641 |
Events
| Siege of Maarat | |||
|---|---|---|---|
 Crusaders throwing the heads of Muslims over ramparts during the Crusades |
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- June 3—First Crusade: The siege of Antioch ends...
- December 12—Massacre of Siege of Maarat: The Crusaders resort to cannibalism.
- The Fatimids retake Jerusalem from the Turks.
- The Byzantine Empire retakes Smyrna, Ephesus and Sardis.
- King Magnus III of Norway (Magnus Barefoot) conquers the Orkney Islands, the Hebrides and the Isle of Man.
- Cîteaux Abbey is founded by the Cistercian Order.
Births
- September 16—Hildegard of Bingen, German mystic writer and composer (d. 1179)
Deaths
- Adhemar of Le Puy, papal legate
- Baldwin II, Count of Hainaut
- January 3—Walkelin, first Norman bishop of Winchester