1728 (MDCCXXVIII) was a leap year starting on Thursday of the Gregorian calendar and a leap year starting on Monday of the Julian calendar, the 1728th year of the Common Era (CE) and Anno Domini (AD) designations, the 728th year of the 2nd millennium, the 28th year of the 18th century, and the 9th year of the 1720s decade. As of the start of 1728, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.

Millennium: 2nd millennium
Centuries: 17th century18th century19th century
Decades: 1690s  1700s  1710s  – 1720s –  1730s  1740s  1750s
Years: 1725 1726 172717281729 1730 1731
1728 in other calendars
Gregorian calendar1728
MDCCXXVIII
Ab urbe condita2481
Armenian calendar1177
ԹՎ ՌՃՀԷ
Assyrian calendar6478
Balinese saka calendar1649–1650
Bengali calendar1135
Berber calendar2678
British Regnal yearGeo. 2 – 2 Geo. 2
Buddhist calendar2272
Burmese calendar1090
Byzantine calendar7236–7237
Chinese calendar丁未(Fire Goat)
4424 or 4364
    — to —
戊申年 (Earth Monkey)
4425 or 4365
Coptic calendar1444–1445
Discordian calendar2894
Ethiopian calendar1720–1721
Hebrew calendar5488–5489
Hindu calendars
 - Vikram Samvat1784–1785
 - Shaka Samvat1649–1650
 - Kali Yuga4828–4829
Holocene calendar11728
Igbo calendar728–729
Iranian calendar1106–1107
Islamic calendar1140–1141
Japanese calendarKyōhō 13
(享保13年)
Javanese calendar1652–1653
Julian calendarGregorian minus 11 days
Korean calendar4061
Minguo calendar184 before ROC
民前184年
Nanakshahi calendar260
Thai solar calendar2270–2271
Tibetan calendar阴火羊年
(female Fire-Goat)
1854 or 1473 or 701
    — to —
阳土猴年
(male Earth-Monkey)
1855 or 1474 or 702

Events

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Births

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  • January 9 – Thomas Warton, English poet (d. 1790)
  • February 21 – Emperor Peter III of Russia, husband of Catherine the Great (d. 1762)
  • April 16 – Joseph Black, Scottish scientist (d. 1799)
  • August 26 – Johann Heinrich Lambert, Swiss mathematician, physicist and astronomer (d. 1777)
  • August 28 – John Stark, American general (d. 1822)
  • September 3 – Matthew Boulton, English metal-worker, inventor and partner of James Watt (d. 1809)
  • September 14 – Mercy Otis Warren, American writer (d. 1814)
  • October 7 – Caesar Rodney, American lawyer who signed the Declaration of Independence (d. 1784)
  • October 27 – James Cook, British captain and explorer (d. 1779)
  • November 10 – Oliver Goldsmith, Irish writer (d. 1774)

Deaths

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  • February 12 – Agostino Steffani, Italian diplomat and composer (b. 1654)
  • February 13 – Cotton Mather, Puritan minister (b. 1663)
  • March 4 – Anna Petrovna of Russia, oldest daughter of Peter the Great (b. 1708)
  • April 3 – James Anderson, Scottish historian (b. 1662)
  • August 15 – Marin Marais, French musician (b. 1656)
  • September 23 – Christian Thomasius, German jurist (b. 1655)
  • November 19 – Leopold of Anhalt-Cöthen, German Prince (b. 1694)
  • date unknown – Serfoji I, Indian Ruler (b. 1675)