| Millennium: | 2nd Millennium BC |
|---|---|
| Centuries: | 19th cent. BC – 18th cent. BC – 17th cent. BC |
| Decades: | 1820s BC 1810s BC 1800s BC – 1790s BC – 1780s BC 1770s BC 1760s BC |
| Years: | 1793 BC 1792 BC 1791 BC – 1790 BC – 1789 BC 1788 BC 1787 BC |
| Gregorian calendar | 1790 MDCCXC |
| Ab urbe condita | 2543 |
| Armenian calendar | 1239 ԹՎ ՌՄԼԹ |
| Assyrian calendar | 6540 |
| Bengali calendar | 1197 |
| Berber calendar | 2740 |
| British Regnal year | 30 Geo. 3 – 31 Geo. 3 |
| Buddhist calendar | 2334 |
| Burmese calendar | 1152 |
| Byzantine calendar | 7298–7299 |
| Chinese calendar | 己酉年 (Earth Rooster) 4486 or 4426 — to — 庚戌年 (Metal Dog) 4487 or 4427 |
| Coptic calendar | 1506–1507 |
| Discordian calendar | 2956 |
| Ethiopian calendar | 1782–1783 |
| Hebrew calendar | 5550–5551 |
| Hindu calendars | |
| - Vikram Samvat | 1846–1847 |
| - Shaka Samvat | 1711–1712 |
| - Kali Yuga | 4890–4891 |
| Holocene calendar | 11790 |
| Igbo calendar | 790–791 |
| Iranian calendar | 1168–1169 |
| Islamic calendar | 1204–1205 |
| Japanese calendar | Kansei 2 (寛政２年) |
| Javanese calendar | 1716–1717 |
| Julian calendar | Gregorian minus 11 days |
| Korean calendar | 4123 |
| Minguo calendar | 122 before ROC 民前122年 |
| Nanakshahi calendar | 322 |
| Thai solar calendar | 2332–2333 |
The year 1790 BC