| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1806 by topic |
|---|
| Humanities |
| By country |
| Other topics |
| Lists of leaders |
| Birth and death categories |
| Establishments and disestablishments categories |
| Works category |
| Gregorian calendar | 1806 MDCCCVI |
| Ab urbe condita | 2559 |
| Armenian calendar | 1255 ԹՎ ՌՄԾԵ |
| Assyrian calendar | 6556 |
| Balinese saka calendar | 1727–1728 |
| Bengali calendar | 1213 |
| Berber calendar | 2756 |
| British Regnal year | 46 Geo. 3 – 47 Geo. 3 |
| Buddhist calendar | 2350 |
| Burmese calendar | 1168 |
| Byzantine calendar | 7314–7315 |
| Chinese calendar | 乙丑年 (Wood Ox) 4503 or 4296 — to — 丙寅年 (Fire Tiger) 4504 or 4297 |
| Coptic calendar | 1522–1523 |
| Discordian calendar | 2972 |
| Ethiopian calendar | 1798–1799 |
| Hebrew calendar | 5566–5567 |
| Hindu calendars | |
| - Vikram Samvat | 1862–1863 |
| - Shaka Samvat | 1727–1728 |
| - Kali Yuga | 4906–4907 |
| Holocene calendar | 11806 |
| Igbo calendar | 806–807 |
| Iranian calendar | 1184–1185 |
| Islamic calendar | 1220–1221 |
| Japanese calendar | Bunka 3 (文化３年) |
| Javanese calendar | 1732–1733 |
| Julian calendar | Gregorian minus 12 days |
| Korean calendar | 4139 |
| Minguo calendar | 106 before ROC 民前106年 |
| Nanakshahi calendar | 338 |
| Thai solar calendar | 2348–2349 |
| Tibetan calendar | 阴木牛年 (female Wood-Ox) 1932 or 1551 or 779 — to — 阳火虎年 (male Fire-Tiger) 1933 or 1552 or 780 |
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1806 (MDCCCVI) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1806th year of the Common Era (CE) and Anno Domini (AD) designations, the 806th year of the 2nd millennium, the 6th year of the 19th century, and the 7th year of the 1800s decade. As of the start of 1806, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
