| Millennium: | 2nd millennium |
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| Centuries: |
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| Decades: |
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| Years: |
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| 1722 by topic |
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| Arts and science |
| Countries |
| Lists of leaders |
| Birth and death categories |
| Establishments and disestablishments categories |
| Works category |
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| Gregorian calendar | 1722 MDCCXXII |
| Ab urbe condita | 2475 |
| Armenian calendar | 1171 ԹՎ ՌՃՀԱ |
| Assyrian calendar | 6472 |
| Balinese saka calendar | 1643–1644 |
| Bengali calendar | 1129 |
| Berber calendar | 2672 |
| British Regnal year | 8 Geo. 1 – 9 Geo. 1 |
| Buddhist calendar | 2266 |
| Burmese calendar | 1084 |
| Byzantine calendar | 7230–7231 |
| Chinese calendar | 辛丑年 (Metal Ox) 4419 or 4212 — to — 壬寅年 (Water Tiger) 4420 or 4213 |
| Coptic calendar | 1438–1439 |
| Discordian calendar | 2888 |
| Ethiopian calendar | 1714–1715 |
| Hebrew calendar | 5482–5483 |
| Hindu calendars | |
| - Vikram Samvat | 1778–1779 |
| - Shaka Samvat | 1643–1644 |
| - Kali Yuga | 4822–4823 |
| Holocene calendar | 11722 |
| Igbo calendar | 722–723 |
| Iranian calendar | 1100–1101 |
| Islamic calendar | 1134–1135 |
| Japanese calendar | Kyōhō7 (享保7年) |
| Javanese calendar | 1646–1647 |
| Julian calendar | Gregorian minus 11 days |
| Korean calendar | 4055 |
| Minguo calendar | 190 before ROC 民前190年 |
| Nanakshahi calendar | 254 |
| Thai solar calendar | 2264–2265 |
| Tibetan calendar | 阴金牛年 (female Iron-Ox) 1848 or 1467 or 695 — to — 阳水虎年 (male Water-Tiger) 1849 or 1468 or 696 |
1722 (MDCCXXII) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1722nd year of the Common Era (CE) and Anno Domini (AD) designations, the 722nd year of the 2nd millennium, the 22nd year of the 18th century, and the 3rd year of the 1720s decade. As of the start of 1722, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.
