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| align="center" colspan=2 | Years:
1770 1771 1772 - 1773 - 1774 1775 1776
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| align="center" colspan=2 | 1750s 1760s - 1770s ''' - 1780s 1790s 1800s
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| align="center" | - 18th Century ''' - 19th Century
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1773 was a Common Year Starting On Friday (see link for calendar).
Events
Births
- January 27 - Prince Augustus Of Great Britain , Duke of Sussex (d. 1843 )
- February 9 - William Henry Harrison , American military leader and 9th President Of The United States (d. 1841 )
- March 14 - John Holmes , American politician (d. 1843 )
- March 16 - Juan Ramón Balcarce , Argentine military leader and politician (d. 1836 )
- March 26 - Nathaniel Bowditch , American mathematician (d. 1836 )
- April 4 - Étienne Maurice Gérard , Marshal Of France and Prime Minister of France (d. 1852 )
- April 9 - Étienne Aignan , French writer, librettist, and playwright (d. 1824 )
- May 3 - Giuseppe Acerbi , Italian explorer (d. 1846 )
- May 15 - Prince Klemens Wenzel Von Metternich , Austrian statesman (d. 1859 )
- May 19 - Arthur Aikin , English chemist and mineralogist (d. 1854 )
- May 31 - Ludwig Tieck , German writer (d. 1853 )
- June 13 - Thomas Young , English scientist (d. 1829 )
- July 23 - Thomas Brisbane , Scottish astronomer and Governor Of New South Wales (d. 1860 )
- August 22 - Aimé Bonpland , French explorer and botanist (d. 1858 )
- October 6 - Louis Philippe , King of the French (d. 1850 )
- December 9 - Armand Augustin Louis De Caulaincourt , French general and diplomat (d. 1827 )
- December 17 - Sylvain Charles Valée , Marshal Of France (d. 1846 )
- December 21 - Robert Brown , Scottish botanist (d. 1858 )
- December 27 - Sir George Cayley , English aviation pioneer
- William Pitt Amherst, 1st Earl Amherst , British ambassador to China and Governor-General Of India (d. 1854 )
- Anne Hill Carter , wife of Light Horse Harry Lee and mother of Robert E. Lee (d. 1829 )
- Henry Hunt , British politician (d. 1835 )
Deaths
- January 21 - Alexis Piron , French writer (b. 1689 )
- February 20 - King Charles Emmanuel III Of Sardinia (b. 1701 )
- March 1 - Luigi Vanvitelli , Italian architect (b. 1700 )
- March 24 - Philip Dormer Stanhope, 4th Earl Of Chesterfield , English statesman and man of letters (b. 1694 )
- May 8 - Ali Bey Al-Kabir , Mamluk Sultan of Egypt (b. 1728 )
- May 15 - Alban Butler , English Catholic priest and writer (b. 1710 )
- July 5 - Francisco José Freire , Portuguese historian and philologist (b. 1719 )
- July 12 - Johann Joachim Quantz , German flutist and composer (b. 1697 )
- July 23 - George Edwards , English naturalist (b. 1693 )
- August 3 - Stanisław Konarski , Polish writer (b. 1700 )
- August 27 - Friedrich Wilhelm Von Seydlitz , Prussian general (b. 1721 )
- September 23 - Johan Ernst Gunnerus , Norwegian bishop and botanist (b. 1718 )
- August 20 - Enrique Florez , Spanish historian (b. 1701 )
- October 30 - Philippe De La Guêpière , French architect (b. 1725 )
- November 16 - John Hawkesworth , English writer
- November 19 - James FitzGerald, 1st Duke Of Leinster , Irish politician (b. 1722 )
- Ahmad Shah , Afghani founder of the Durrani Empire (cancer) (b. 1724 )
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