| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1098 by topic | |
| Lists of leaders | |
| Political entities - State leaders - Religious 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 |
| Assyrian calendar | 5848 |
| Bengali calendar | 505 |
| Berber calendar | 2048 |
| English Regnal year | 11 Will. 2 – 12 Will. 2 |
| Buddhist calendar | 1642 |
| Burmese calendar | 460 |
| Byzantine calendar | 6606–6607 |
| Chinese calendar |
丁丑年 (Fire Ox) 3794 or 3734 — to — 戊寅年 (Earth Tiger) 3795 or 3735 |
| Coptic calendar | 814–815 |
| Discordian calendar | 2264 |
| Ethiopian calendar | 1090–1091 |
| Hebrew calendar | 4858–4859 |
| Hindu calendars | |
| - Vikram Samvat | 1154–1155 |
| - Shaka Samvat | 1019–1020 |
| - Kali Yuga | 4198–4199 |
| Holocene calendar | 11098 |
| Igbo calendar | 98–99 |
| Iranian calendar | 476–477 |
| Islamic calendar | 491–492 |
| Japanese calendar |
Jōtoku 2 (承徳2年) |
| Javanese calendar | 1002–1003 |
| Julian calendar | 1098 MXCVIII |
| Korean calendar | 3431 |
| Minguo calendar | 814 before ROC 民前814年 |
| Nanakshahi calendar | −370 |
| Seleucid era | 1409/1410 AG |
| Thai solar calendar | 1640–1641 |
Year 1098 (MXCVIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.