| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 854 DCCCLIV |
| Ab urbe condita | 1607 |
| Armenian calendar | 303 ԹՎ ՅԳ |
| Assyrian calendar | 5604 |
| Bengali calendar | 261 |
| Berber calendar | 1804 |
| Buddhist calendar | 1398 |
| Burmese calendar | 216 |
| Byzantine calendar | 6362–6363 |
| Chinese calendar |
癸酉年 (Water Rooster) 3550 or 3490 — to — 甲戌年 (Wood Dog) 3551 or 3491 |
| Coptic calendar | 570–571 |
| Discordian calendar | 2020 |
| Ethiopian calendar | 846–847 |
| Hebrew calendar | 4614–4615 |
| Hindu calendars | |
| - Vikram Samvat | 910–911 |
| - Shaka Samvat | 775–776 |
| - Kali Yuga | 3954–3955 |
| Holocene calendar | 10854 |
| Iranian calendar | 232–233 |
| Islamic calendar | 239–240 |
| Japanese calendar |
Ninju 4 / Saikō 1 (斉衡元年) |
| Javanese calendar | 751–752 |
| Julian calendar | 854 DCCCLIV |
| Korean calendar | 3187 |
| Minguo calendar | 1058 before ROC 民前1058年 |
| Nanakshahi calendar | −614 |
| Seleucid era | 1165/1166 AG |
| Thai solar calendar | 1396–1397 |
Year 854 (DCCCLIV) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.