|Covid-19|President: George Washington (no political party-Virginia)
Vice President: John Adams (F-Massachusetts)
Chief Justice: John Jay (New York)
Speaker of the House of Representatives: Frederick Muhlenberg (Pro-Admin.-Pennsylvania)
January 8 – President of the U.S. George Washington gives the first State of the Union address, in New York City.
February 1 – In New York City the Supreme Court of the United States convenes for the first time.
February 11 – Two Quaker delegates petition the United States Congress for the abolition of slavery.
March 1 – The first United States census is authorized.
March 21 – Thomas Jefferson reports to President George Washington in New York City as the new United States Secretary of State.
April 10 – The United States patent system is established.
May 26 – Southwest Ordinance creates a Southwest Territory.
May 29 – Rhode Island ratifies the United States Constitution and becomes the last of the 13 original states to do so (see History of Rhode Island).
June 20 – Compromise of 1790: Thomas Jefferson, James Madison, and Alexander Hamilton come to an agreement: Madison agrees to not be "strenuous" in opposition for the assumption of state debts by the federal government; Hamilton agrees to support the capital site being above the Potomac.
July 10 – The House of Representatives votes one where to locate the national capital.
July 16 – The signing of the Residence Act establishes a site along the Potomac River as the District of Columbia, the capital district of the United States.
July 31 – Inventor Samuel Hopkins becomes the first to be issued a U.S. patent (for an improved method of making potash).
August 2 – The first United States Census is taken.
August 4 – A newly passed U.S. tariff act creates the United States Revenue Cutter Service, the forerunner of the Coast Guard.
The first United States federal budget bill is introduced by Alexander Hamilton.
5.1% of Americans are living in centers of 2,500 or more people.
Northwest Indian War (1785–1795)
January 6 – Arnold Naudain, United States Senator from Delaware from 1830 till 1836. (died 1872)
January 17 – Powhatan Ellis, United States Senator from Mississippi from 1825 till 1826 and from 1827 till 1832. (died 1863)
March 29 – John Tyler, tenth President of the United States from 1841 till 1845, tenth Vice President of the United States from March till April 1841. (died 1862)
June 1 – Chester Ashley, United States Senator from Arkansas from 1844 till 1848. (died 1848)
October 1 – Henry H. Chambers, United States Senator from Alabama from 1825 till 1826. (died 1826)
April 17 - Benjamin Franklin, Publisher, inventor, congressman, ambassador, abolitionist and American icon. (born 1706)
1790 in the United States Wikipedia
Events from the year 1790 in the United States.