| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 814 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 814 DCCCXIV |
| Ab urbe condita | 1567 |
| Armenian calendar | 263 ԹՎ ՄԿԳ |
| Assyrian calendar | 5564 |
| Balinese saka calendar | 735–736 |
| Bengali calendar | 221 |
| Berber calendar | 1764 |
| Buddhist calendar | 1358 |
| Burmese calendar | 176 |
| Byzantine calendar | 6322–6323 |
| Chinese calendar | 癸巳年 (Water Snake) 3511 or 3304 — to — 甲午年 (Wood Horse) 3512 or 3305 |
| Coptic calendar | 530–531 |
| Discordian calendar | 1980 |
| Ethiopian calendar | 806–807 |
| Hebrew calendar | 4574–4575 |
| Hindu calendars | |
| - Vikram Samvat | 870–871 |
| - Shaka Samvat | 735–736 |
| - Kali Yuga | 3914–3915 |
| Holocene calendar | 10814 |
| Iranian calendar | 192–193 |
| Islamic calendar | 198–199 |
| Japanese calendar | Kōnin 5 (弘仁５年) |
| Javanese calendar | 710–711 |
| Julian calendar | 814 DCCCXIV |
| Korean calendar | 3147 |
| Minguo calendar | 1098 before ROC 民前1098年 |
| Nanakshahi calendar | −654 |
| Seleucid era | 1125/1126 AG |
| Thai solar calendar | 1356–1357 |
| Tibetan calendar | 阴水蛇年 (female Water-Snake) 940 or 559 or −213 — to — 阳木马年 (male Wood-Horse) 941 or 560 or −212 |
Year 814 (DCCCXIV) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar, the 814th year of the Common Era (CE) and Anno Domini (AD) designations, the 814th year of the 1st millennium, the 14th year of the 9th century, and the 5th year of the 810s decade.