1805

Events from the year 1805 in the United States.
==Incumbents==
===Federal Government===
* President: Thomas Jefferson (DR-VA)
* Vice President: Aaron Burr (DR-NY) (until March 4), George Clinton (DR-NY) (starting March 4)
* Chief Justice: John Marshall (VA)
* Speaker of the House of Representatives: Nathaniel Macon (DR-NC)
* Congress: 8th (until March 4), 9th (starting March 4)
==Events==
* January 11 – Michigan Territory is created.
* February 11 – Jean Baptiste Charbonneau, son of Sacagawea is born with Meriwether Lewis aiding in the baby's delivery.
* February 15 – Harmony Society formally established in the U.S. at Harmony, Pennsylvania.
* March 1 – Justice Samuel Chase is acquitted of impeachment charges by the U.S. Senate.
* March 3 – Louisiana Territory is created.
* March 4 – Thomas Jefferson is sworn in for a second term as President of the United States, and George Clinton is sworn in as Vice President of the United States.
* April 7 – The Lewis and Clark Expedition departs Fort Mandan for the Pacific Ocean
* April 27 – Battle of Derne: United States Marines and Berbers attack the Tripolitan city of Derna (The "Shores of Tripoli").
* June 4 – The First Barbary War ends between Tripoli and the United States of America.
* June 11 – Detroit burns to the ground; most of the city is destroyed.
* June 13 – Lewis and Clark Expedition: Scouting ahead of the expedition, Meriwether Lewis and four companions sight the Great Falls of the Missouri River, confirming they are heading in the right direction.
* June 30 – Michigan Territory is effective.
* July 4 – Louisiana Territory is effective.
* October 18 – Lewis and Clark Expedition spot Mount Hood.
* November 7 – The Lewis and Clark Expedition arrives at the Pacific Ocean.
==Memoriam==
* January 7 – Ebenezer Sproat, Continental Army officer, pioneer in the Ohio Country (aged 52; Marietta, OH, USA)
* January 9 – Noble Wimberly Jones, physician and delegate to the Continental Congress in 1781 and 1782 (aged 82; Savannah, GA, USA)
* February 4 – John Sloss Hobart, jurist and politician (aged 66; New York City, NY, USA)
* June 17 – John Ames, captain in the American Revolutionary War (aged 67; Bridgewater, MA, USA)
* August 28 – Christopher Gadsden, statesman (aged 81; Charleston, SC, USA)
* September 27 – William Moultrie, general (aged 74; Charleston, SC, USA)
* November 1 – Robert Alexander, Maryland politician (aged 65; London, Engalnd, UK)
==External links==
* 1805 in the United States
Category:United States History: Volume 3