| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 899 DCCCXCIX |
| Ab urbe condita | 1652 |
| Armenian calendar | 348 ԹՎ ՅԽԸ |
| Assyrian calendar | 5649 |
| Bengali calendar | 306 |
| Berber calendar | 1849 |
| Buddhist calendar | 1443 |
| Burmese calendar | 261 |
| Byzantine calendar | 6407–6408 |
| Chinese calendar |
戊午年 (Earth Horse) 3595 or 3535 — to — 己未年 (Earth Goat) 3596 or 3536 |
| Coptic calendar | 615–616 |
| Discordian calendar | 2065 |
| Ethiopian calendar | 891–892 |
| Hebrew calendar | 4659–4660 |
| Hindu calendars | |
| - Vikram Samvat | 955–956 |
| - Shaka Samvat | 820–821 |
| - Kali Yuga | 3999–4000 |
| Holocene calendar | 10899 |
| Iranian calendar | 277–278 |
| Islamic calendar | 285–286 |
| Japanese calendar |
Shōtai 2 (昌泰2年) |
| Javanese calendar | 797–798 |
| Julian calendar | 899 DCCCXCIX |
| Korean calendar | 3232 |
| Minguo calendar | 1013 before ROC 民前1013年 |
| Nanakshahi calendar | −569 |
| Seleucid era | 1210/1211 AG |
| Thai solar calendar | 1441–1442 |
Year 899 (DCCCXCIX) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.