What happened in 1804
5 entries recorded for 1804, listed by date. That was 222 years ago.
1804 at a glance
- Years ago
- 222 (as of 2026)
- Century
- 19th century
- Decade
- 1800s
- Generation born
- Before the named generations
- Entries here
- 5
- Breakdown
- 5 historical events
February
- February 14
Karađorđe
Serb chieftains elected Đorđe Petrović as their leader and began an uprising against the Ottoman Empire.
- February 16
First Barbary War
First Barbary War: Lieutenant Stephen Decatur led a U.S. Navy raid to destroy the captured USS Philadelphia in the harbor of Tripoli (depicted), denying her use to the Barbary States.
May
- May 14
Meriwether Lewis
Led by Meriwether Lewis and William Clark, the Corps of Discovery left Camp Dubois near present-day Hartford, Illinois, to begin the first overland expedition to the West Coast of the United States and back.
June
- June 15
New Hampshire
New Hampshire approves the Twelfth Amendment to the United States Constitution, ratifying the document.
September
- September 1
Karl Ludwig Harding
German astronomer Karl Ludwig Harding discovered one of the largest main-belt asteroids, naming it Juno after the Roman goddess.
Questions about 1804
What happened in 1804?
This site records 5 entries for 1804, including Karađorđe on February 14. They are listed below by date.
How long ago was 1804?
222 years ago, counting from 2026. Anyone born in 1804 turns 222 this year.
Which century is 1804 in?
1804 falls in the 19th century, in the 1800s.
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