1807

Events from the year **1807 in the United States**.

* Speaker of the House of Representatives: Nathaniel Macon (DR-NC) (until March 4), Joseph Bradley Varnum (DR-MA) (starting October 26)
* Congress: 9th (until March 4), 10th (starting March 4)

Governors
* Governor of Connecticut: Jonathan Trumbull, Jr. (Federalist)
* Governor of Delaware: Nathaniel Mitchell (Federalist)
* Governor of Georgia: Jared Irwin (Democratic-Republican)
* Governor of Kentucky: Christopher Greenup (Democratic-Republican)
* Governor of Maryland: Robert Wright (Democratic-Republican)
* Governor of Massachusetts: Caleb Strong (Federalist) (until May 29), James Sullivan (Democratic-Republican) (starting May 29)
* Governor of New Hampshire: John Langdon (Democratic-Republican)
* Governor of New Jersey: Joseph Bloomfield (Democratic-Republican)
* Governor of New York: Morgan Lewis (Democratic-Republican) (until June 30), Daniel D. Tompkins (Democratic-Republican) (starting July 1)
* Governor of North Carolina: Nathaniel Alexander (Democratic-Republican) (until December 1), Benjamin Williams (Federalist) (starting December 1)
* Governor of Ohio: Edward Tiffin (Democratic-Republican) (until March 4), Thomas Kirker (Democratic-Republican) (starting March 4)
* Governor of Pennsylvania: Thomas McKean (Democratic-Republican)
* Governor of Rhode Island: Isaac Wilbour (Country) (until May 6), James Fenner (Democratic-Republican) (starting May 6)
* Governor of South Carolina: Charles Pinckney (Democratic-Republican)
* Governor of Tennessee: John Sevier (Democratic-Republican)
* Governor of Vermont: Isaac Tichenor (Federalist) (until October 9), Israel Smith (Democratic-Republican) (starting October 9)
* Governor of Virginia: William H. Cabell (Democratic-Republican)

Lieutenant Governors
* Lieutenant Governor of Connecticut: John Treadwell (Federalist)
* Lieutenant Governor of Kentucky: Thomas Posey (political party unknown)
* Lieutenant Governor of Massachusetts: vacant (until month and day unknown), Levi Lincoln Sr. (political party unknown) (starting month and day unknown)
* Lieutenant Governor of New York: John Broome (Democratic-Republican)
* Lieutenant Governor of Rhode Island: Isaac Wilbour (Democratic-Republican) (until May 6), Constant Taber (political party unknown) (starting May 6)
* Lieutenant Governor of South Carolina: John Hopkins (Democratic-Republican)
* Lieutenant Governor of Vermont: Paul Brigham (Democratic-Republican)

## Events

* February 10 – The United States Coast Survey is established; work begins on August 3, 1816.
* February 19 – Burr conspiracy: Former Vice President of the United States Aaron Burr is arrested on charges of treason. He is accused of plotting to annex parts of Louisiana and Mexico to become part of an independent republic.
* March 2 – The U.S. Congress passes an act to "prohibit the importation of slaves into any port or place within the jurisdiction of the United States....from any foreign kingdom, place, or country" (to take effect January 1, 1808).
* May 22 – A grand jury indicts Aaron Burr for treason.
* June 22 – The *Chesapeake–Leopard* affair: The British warship HMS *Leopard* captures and boards the USS *Chesapeake*.
* July 1 – Pike Expedition ends.
* August 17 – The *Clermont*, Robert Fulton's first American steamboat, leaves New York City for Albany, New York, on the Hudson River, inaugurating the first commercial steamboat service in the world.
* September 1 – Aaron Burr is acquitted of treason.
* December 22 – The U.S. Congress passes the Embargo Act.

## Memoriam

* January 9 – Eliphalet Chapin, furniture designer (aged 65; East Windsor, CT, USA)
* March 4 – Abraham Baldwin, U.S. Senator from Georgia from 1799-1807 (aged 52; Washington, DC, USA)
* May 13 – Eliphalet Dyer, jurist and statesman, delegate to the Continental Congress (aged 85; Windham, CT, USA)
* May 17 – John Gunby, Maryland soldier in the American Revolutionary War (aged 62; Snow Hill, MD, USA)
* September 17 – Edward Telfair, governor of Georgia from 1786 to 1787 (aged 72; Savannah, GA, USA)
* November 24 – Joseph Brant, Mohawk military and political leader (aged 64; Burlington Beach, Upper Canada)
* November 26 - Oliver Ellsworth, 3rd Chief Justice of the Supreme Court (aged 62; Windsor, CT, USA)