| Millennium: | 1st millennium |
|---|---|
| Centuries: | 8th century – 9th century – 10th century |
| Decades: | 820s 830s 840s – 850s – 860s 870s 880s |
| Years: | 849 850 851 – 852 – 853 854 855 |
| 852 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 852 DCCCLII |
| Ab urbe condita | 1605 |
| Armenian calendar | 301 ԹՎ ՅԱ |
| Bahá'í calendar | -992 – -991 |
| Bengali calendar | 259 |
| Berber calendar | 1802 |
| Buddhist calendar | 1396 |
| Burmese calendar | 214 |
| Byzantine calendar | 6360 – 6361 |
| Chinese calendar | 辛未年十二月初七日 (3488/3548-12-7) — to —
壬申年十一月十七日(3489/3549-11-17) |
| Coptic calendar | 568 – 569 |
| Ethiopian calendar | 844 – 845 |
| Hebrew calendar | 4612 – 4613 |
| Hindu calendars | |
| - Bikram Samwat | 908 – 909 |
| - Shaka Samvat | 774 – 775 |
| - Kali Yuga | 3953 – 3954 |
| Holocene calendar | 10852 |
| Iranian calendar | 230 – 231 |
| Islamic calendar | 237 – 238 |
| Japanese calendar | |
| Korean calendar | 3185 |
| Thai solar calendar | 1395 |