| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
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| 1720 by topic |
|---|
| Arts and science |
| Countries |
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| Gregorian calendar | 1720 MDCCXX |
| Ab urbe condita | 2473 |
| Armenian calendar | 1169 ԹՎ ՌՃԿԹ |
| Assyrian calendar | 6470 |
| Balinese saka calendar | 1641–1642 |
| Bengali calendar | 1127 |
| Berber calendar | 2670 |
| British Regnal year | 6 Geo. 1 – 7 Geo. 1 |
| Buddhist calendar | 2264 |
| Burmese calendar | 1082 |
| Byzantine calendar | 7228–7229 |
| Chinese calendar | 己亥年 (Earth Pig) 4417 or 4210 — to — 庚子年 (Metal Rat) 4418 or 4211 |
| Coptic calendar | 1436–1437 |
| Discordian calendar | 2886 |
| Ethiopian calendar | 1712–1713 |
| Hebrew calendar | 5480–5481 |
| Hindu calendars | |
| - Vikram Samvat | 1776–1777 |
| - Shaka Samvat | 1641–1642 |
| - Kali Yuga | 4820–4821 |
| Holocene calendar | 11720 |
| Igbo calendar | 720–721 |
| Iranian calendar | 1098–1099 |
| Islamic calendar | 1132–1133 |
| Japanese calendar | Kyōhō 5 (享保５年) |
| Javanese calendar | 1644–1645 |
| Julian calendar | Gregorian minus 11 days |
| Korean calendar | 4053 |
| Minguo calendar | 192 before ROC 民前192年 |
| Nanakshahi calendar | 252 |
| Thai solar calendar | 2262–2263 |
| Tibetan calendar | 阴土猪年 (female Earth-Pig) 1846 or 1465 or 693 — to — 阳金鼠年 (male Iron-Rat) 1847 or 1466 or 694 |
Wikimedia Commons has media related to 1720.
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1720 (MDCCXX) was a leap year starting on Monday of the Gregorian calendar and a leap year starting on Friday of the Julian calendar, the 1720th year of the Common Era (CE) and Anno Domini (AD) designations, the 720th year of the 2nd millennium, the 20th year of the 18th century, and the 1st year of the 1720s decade. As of the start of 1720, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.