| Years |
|---|
| Millennium |
| 2nd millennium |
| Centuries |
| Decades |
| Years |
| 1751 by topic |
|---|
| Arts, history, and science |
| Countries |
|
|
| Lists of leaders |
| Birth and death categories |
| Establishments and disestablishments categories |
| Works category |
| Gregorian calendar | 1751 MDCCLI |
| Ab urbe condita | 2504 |
| Armenian calendar | 1200 ԹՎ ՌՄ |
| Assyrian calendar | 6501 |
| Balinese saka calendar | 1672–1673 |
| Bengali calendar | 1158 |
| Berber calendar | 2701 |
| British Regnal year | 24 Geo. 2 – 25 Geo. 2 |
| Buddhist calendar | 2295 |
| Burmese calendar | 1113 |
| Byzantine calendar | 7259–7260 |
| Chinese calendar | 庚午年 (Metal Horse) 4447 or 4387 — to — 辛未年 (Metal Goat) 4448 or 4388 |
| Coptic calendar | 1467–1468 |
| Discordian calendar | 2917 |
| Ethiopian calendar | 1743–1744 |
| Hebrew calendar | 5511–5512 |
| Hindu calendars | |
| - Vikram Samvat | 1807–1808 |
| - Shaka Samvat | 1672–1673 |
| - Kali Yuga | 4851–4852 |
| Holocene calendar | 11751 |
| Igbo calendar | 751–752 |
| Iranian calendar | 1129–1130 |
| Islamic calendar | 1164–1165 |
| Japanese calendar | Kan'en 4 / Hōreki 1 (宝暦元年) |
| Javanese calendar | 1675–1677 |
| Julian calendar | Gregorian minus 11 days |
| Korean calendar | 4084 |
| Minguo calendar | 161 before ROC 民前161年 |
| Nanakshahi calendar | 283 |
| Thai solar calendar | 2293–2294 |
| Tibetan calendar | ལྕགས་ཕོ་རྟ་ལོ་ (male Iron-Horse) 1877 or 1496 or 724 — to — ལྕགས་མོ་ལུག་ལོ་ (female Iron-Sheep) 1878 or 1497 or 725 |
1751 (MDCCLI) was a common year starting on Friday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1751st year of the Common Era (CE) and Anno Domini (AD) designations, the 751st year of the 2nd millennium, the 51st year of the 18th century, and the 2nd year of the 1750s decade. As of the start of 1751, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.