857
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| Years: 853 854 855 856 - 857 - 858 859 860 861 |
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| Decades: 820s 830s 840s - 850s - 860s 870s 880s |
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| Centuries: 8th century - 9th century - 10th century |
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| 857 by topic | |
| Politics | |
| State leaders - Sovereign states | |
| Birth and death categories | |
| Births - Deaths | |
| Establishments and disestablishments categories | |
| Establishments - Disestablishments | |
| Gregorian calendar | 857 DCCCLVII |
| Ab urbe condita | 1610 |
| Armenian calendar | 306 ԹՎ ՅԶ |
| Chinese calendar | 3493/3553-12-2 (丙子年十二月初二日) — to —
3494/3554-12-12(丁丑年十二月十二日) |
| Ethiopian calendar | 849 – 850 |
| Hebrew calendar | 4617 – 4618 |
| Hindu calendars | |
| - Vikram Samvat | 912 – 913 |
| - Shaka Samvat | 779 – 780 |
| - Kali Yuga | 3958 – 3959 |
| Iranian calendar | 235 – 236 |
| Islamic calendar | 242 – 243 |
| Japanese calendar | |
| - Imperial Year | Kōki 1517 (皇紀1517年) |
| - Jōmon Era | 10857 |
| Thai solar calendar | 1400 |
[edit] Events
- Viking raid of Dorestad.
- Michael III of Byzantium, under influences of his uncle Bardas, banishes his mother Theodora. Bardas becomes the most powerful person in the empire.
[edit] Births
- Choe Chi-won, Korean philosopher and poet
