What Happened in 1804 — Events, Births & Deaths
1804 brings together 6 events, 0 birthdays and 0 deaths recorded across history.
February 1
- February 21
The first self-propelling steam locomotive makes its outing at the Pen-y-Darren Ironworks in Wales.
May 1
- May 14
William Clark and 42 men depart from Camp Dubois to join Meriwether Lewis at St Charles, Missouri, marking the beginning of the Lewis and Clark Expedition's historic journey up the Missouri River.
June 1
- June 15
New Hampshire approves the Twelfth Amendment to the United States Constitution, ratifying the document.
August 1
- August 11
Francis II assumes the title of first Emperor of Austria.
September 2
- September 1
3 Juno, one of the largest asteroids in the Main Belt, is discovered by the German astronomer Karl Ludwig Harding.
- September 25
The Teton Sioux (a subdivision of the Lakota) demand one of the boats from the Lewis and Clark Expedition as a toll for allowing the expedition to move further upriver.