1787 1788 1789 - 1790 - 1791 1792 1793
| Decades: |
1760s 1770s 1780s - 1790s - 1800s 1810s 1820s
| Centuries: |
17th century - 18th century - 19th century
List of state leaders in 1790
- January 8 - George Washington gives the first State of the Union Address.
- January 30 - The first boat specialized as a lifeboat is tested on the River Tyne.
- February 1 - In New York City the Supreme Court of the United States convenes for the first time.
- February 11 - Society of Friends petitions Congress for the abolition of slavery.
- March 1 - The first United States census is authorized.
- March 4 - France is divided into 83 dÃ©partements, which cut across the former provinces, in an attempt to dislodge regional loyalties based on noble ownership of land.
- May 29 - Rhode Island ratifies the United States Constitution and becomes the 13th U.S. state.
- July 9 - Russo-Swedish War: Second Battle of Svensksund - In the Baltic Sea, the Swedish navy captures one third of the Russian fleet.
- July 16 - The signing of the Residence Bill establishes a site along the Potomac River as the District of Columbia (seat of government) of the United States (see Washington, DC).
- July 31 - Inventor Samuel Hopkins becomes the first to be issued a US patent (for an improved method of making potash).
- August 4 - A newly passed tariff act creates the Revenue Cutter Service (the forerunner of the United States Coast Guard).
- William Pitt refuses to recognize Belgium independence.
- Construction begins on the White House.
- U.S. Funding Bill introduced by Alexander Hamilton.
- Philadelphia becomes federal capital of the U.S..
- March 29 - John Tyler, 10th President of the United States (+ 1862)
- May 23 - Jules Dumont d'Urville, explorer (+ 1842)
- December 16 - Leopold I of Belgium
- December 19 - William Edward Parry, Arctic explorer († 1855)
- Ignaz Assmayer, composer
- February 20 - Joseph II, Holy Roman Emperor
- April 17 - Benjamin Franklin
- July 17 - Adam Smith, Scottish economist
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