| Millennium: | 2nd millennium |
|---|---|
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| Years: |
| 1786 by topic |
|---|
| Arts and science |
| Countries |
| Lists of leaders |
| Birth and death categories |
| Establishments and disestablishments categories |
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| Gregorian calendar | 1786 MDCCLXXXVI |
| Ab urbe condita | 2539 |
| Armenian calendar | 1235 ԹՎ ՌՄԼԵ |
| Assyrian calendar | 6536 |
| Balinese saka calendar | 1707–1708 |
| Bengali calendar | 1193 |
| Berber calendar | 2736 |
| British Regnal year | 26 Geo. 3 – 27 Geo. 3 |
| Buddhist calendar | 2330 |
| Burmese calendar | 1148 |
| Byzantine calendar | 7294–7295 |
| Chinese calendar | 乙巳年 (Wood Snake) 4483 or 4276 — to — 丙午年 (Fire Horse) 4484 or 4277 |
| Coptic calendar | 1502–1503 |
| Discordian calendar | 2952 |
| Ethiopian calendar | 1778–1779 |
| Hebrew calendar | 5546–5547 |
| Hindu calendars | |
| - Vikram Samvat | 1842–1843 |
| - Shaka Samvat | 1707–1708 |
| - Kali Yuga | 4886–4887 |
| Holocene calendar | 11786 |
| Igbo calendar | 786–787 |
| Iranian calendar | 1164–1165 |
| Islamic calendar | 1200–1201 |
| Japanese calendar | Tenmei 6 (天明６年) |
| Javanese calendar | 1712–1713 |
| Julian calendar | Gregorian minus 11 days |
| Korean calendar | 4119 |
| Minguo calendar | 126 before ROC 民前126年 |
| Nanakshahi calendar | 318 |
| Thai solar calendar | 2328–2329 |
| Tibetan calendar | 阴木蛇年 (female Wood-Snake) 1912 or 1531 or 759 — to — 阳火马年 (male Fire-Horse) 1913 or 1532 or 760 |
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1786 (MDCCLXXXVI) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1786th year of the Common Era (CE) and Anno Domini (AD) designations, the 786th year of the 2nd millennium, the 86th year of the 18th century, and the 7th year of the 1780s decade. As of the start of 1786, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.