1728

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 century – 18th century – 19th century
Decades:	1690s  1700s  1710s  – 1720s –  1730s  1740s  1750s
Years:	1725 1726 1727 – 1728 – 1729 1730 1731

1728 in other calendars

Gregorian calendar	1728 MDCCXXVIII
Ab urbe condita	2481
Armenian calendar	1177 ԹՎ ՌՃՀԷ
Assyrian calendar	6478
Balinese saka calendar	1649–1650
Bengali calendar	1135
Berber calendar	2678
British Regnal year	1 Geo. 2 – 2 Geo. 2
Buddhist calendar	2272
Burmese calendar	1090
Byzantine calendar	7236–7237
Chinese calendar	丁未年 (Fire Goat) 4424 or 4364     — to — 戊申年 (Earth Monkey) 4425 or 4365
Coptic calendar	1444–1445
Discordian calendar	2894
Ethiopian calendar	1720–1721
Hebrew calendar	5488–5489
Hindu calendars
- Vikram Samvat	1784–1785
- Shaka Samvat	1649–1650
- Kali Yuga	4828–4829
Holocene calendar	11728
Igbo calendar	728–729
Iranian calendar	1106–1107
Islamic calendar	1140–1141
Japanese calendar	Kyōhō 13 (享保１３年)
Javanese calendar	1652–1653
Julian calendar	Gregorian minus 11 days
Korean calendar	4061
Minguo calendar	184 before ROC 民前184年
Nanakshahi calendar	260
Thai solar calendar	2270–2271
Tibetan calendar	མེ་མོ་ལུག་ལོ་ (female Fire-Sheep) 1854 or 1473 or 701     — to — ས་ཕོ་སྤྲེ་ལོ་ (male Earth-Monkey) 1855 or 1474 or 702

Events

• Astronomical aberration found by the astronomer James Bradley
• Swedish academy of sciences made at Uppsala
• The making of the University of Havana (Universidad de la Habana Archived 2004-11-03 at the Wayback Machine), Cuba's most set university.

Births

• 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

• 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)