Millennium: 2nd millennium
Centuries: 17th century · 18th century · 19th century
Decades: 1690s · 1700s · 1710s · 1720s · 1730s · 1740s · 1750s
Years: 1718 · 1719 · 1720 · 1721 · 1722 · 1723 · 1724
1721 by topic:
Arts and Sciences
ArchaeologyArchitectureArtLiterature (Poetry) – MusicScience
CanadaDenmarkFranceGreat BritainIrelandNorwayRussiaScotlandSweden
Lists of leaders
Colonial governorsState leaders
Birth and death categories
Births – Deaths
Establishments and disestablishments categories
Establishments – Disestablishments
Works category
1721 in various calendars
Gregorian calendar1721
Ab urbe condita2474
Armenian calendar1170
Assyrian calendar6471
Bengali calendar1128
Berber calendar2671
British Regnal year7 Geo. 1  8 Geo. 1
Buddhist calendar2265
Burmese calendar1083
Byzantine calendar7229–7230
Chinese calendar庚子(Metal Rat)
4417 or 4357
辛丑年 (Metal Ox)
4418 or 4358
Coptic calendar1437–1438
Discordian calendar2887
Ethiopian calendar1713–1714
Hebrew calendar5481–5482
Hindu calendars
 - Vikram Samvat1777–1778
 - Shaka Samvat1642–1643
 - Kali Yuga4821–4822
Holocene calendar11721
Igbo calendar721–722
Iranian calendar1099–1100
Islamic calendar1133–1134
Japanese calendarKyōhō 6
Javanese calendar1645–1646
Julian calendarGregorian minus 11 days
Korean calendar4054
Minguo calendar191 before ROC
Nanakshahi calendar253
Thai solar calendar2263–2264
Wikimedia Commons has media related to 1721.

1721 (MDCCXXI) was a common year starting on Wednesday (dominical letter E) of the Gregorian calendar and a common year starting on Sunday (dominical letter A) of the Julian calendar, the 1721st year of the Common Era (CE) and Anno Domini (AD) designations, the 721st year of the 2nd millennium, the 21st year of the 18th century, and the 2nd year of the 1720s decade. As of the start of 1721, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1918.




Date unknown




  1. Breverton, Terry (2004). Black Bart Roberts: The Greatest Pirate of Them All. Gretna, LA: Pelican Publishing. p. 57. ISBN 1-58980-233-0.
  2. "Sir Robert Walpole". 10. HM Government. Retrieved 2011-11-16.
  3. Clear, Todd R.; Cole, George F.; Resig, Michael D. (2006). American Corrections (7th ed.). Thompson.
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