| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 850 DCCCL |
| Ab urbe condita | 1603 |
| Armenian calendar | 299 ԹՎ ՄՂԹ |
| Assyrian calendar | 5600 |
| Bengali calendar | 257 |
| Berber calendar | 1800 |
| Buddhist calendar | 1394 |
| Burmese calendar | 212 |
| Byzantine calendar | 6358–6359 |
| Chinese calendar |
己巳年 (Earth Snake) 3546 or 3486 — to — 庚午年 (Metal Horse) 3547 or 3487 |
| Coptic calendar | 566–567 |
| Discordian calendar | 2016 |
| Ethiopian calendar | 842–843 |
| Hebrew calendar | 4610–4611 |
| Hindu calendars | |
| - Vikram Samvat | 906–907 |
| - Shaka Samvat | 771–772 |
| - Kali Yuga | 3950–3951 |
| Holocene calendar | 10850 |
| Iranian calendar | 228–229 |
| Islamic calendar | 235–236 |
| Japanese calendar |
Kashō 3 (嘉祥3年) |
| Javanese calendar | 747–748 |
| Julian calendar | 850 DCCCL |
| Korean calendar | 3183 |
| Minguo calendar | 1062 before ROC 民前1062年 |
| Nanakshahi calendar | −618 |
| Seleucid era | 1161/1162 AG |
| Thai solar calendar | 1392–1393 |
For codepage, see CP850.
Year 850 (DCCCL) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar.