WHAT ALL HAPPENED JANUARY TO DECEMBER 1804
Find out what all happened January to December 1804

New Hampshire approves the Twelfth Amendment to the United States Constitution, ratifying the document. (15. June 1804)

Castle Hill Rebellion: Irish convicts rebel against British colonial authority in the Colony of New South Wales. (4. March 1804)

Louisiana Purchase: In St. Louis, Missouri, a formal ceremony is conducted to transfer ownership of the Louisiana Territory from France to the United States. (10. March 1804)

Francis II assumes the title of first Emperor of Austria. (11. August 1804)

Karadjordje leads the First Serbian Uprising against the Ottoman Empire. (14. February 1804)

The western Georgian kingdom of Imereti accepts the suzerainty of the Russian Empire (25. April 1804)

At Notre Dame Cathedral in Paris, Napoleon Bonaparte crowns himself Emperor of the French, the first French Emperor in a thousand years. (2. December 1804)

The first self-propelling steam locomotive makes its outing at the Pen-y-Darren Ironworks in Wales. (21. February 1804)

Code Napoléon is adopted as French civil law. (21. March 1804)

The Serbian revolution begins. (15. February 1804)

The Lewis and Clark Expedition departs from Camp Dubois and begins its historic journey by traveling up the Missouri River. (14. May 1804)

Napoleon Bonaparte is proclaimed Emperor of the French by the French Senate. (18. May 1804)

First Barbary War: Stephen Decatur leads a raid to burn the pirate-held frigate USS Philadelphia. (16. February 1804)

A duel occurs in which the Vice President of the United States Aaron Burr mortally wounds former Secretary of the Treasury Alexander Hamilton. (11. July 1804)

French rule ends in Haiti. Haiti becomes the first black republic and second independent country in North America after the United States (1. January 1804)

Forces sent by Yusuf Karamanli of Tripoli to retake Derna from the Americans attack the city. (13. May 1804)

The Teton Sioux (a subdivision of the Lakota) demand one of the boats from the Lewis and Clark Expedition as a toll for moving further upriver. (25. September 1804)

The Democratic-Republican-controlled United States Senate begins an impeachment trial of Federalist Supreme Court Justice Samuel Chase. (30. November 1804)

Hobart, capital of Tasmania, is founded. (9. October 1804)

Former United States Secretary of the Treasury Alexander Hamilton dies a day after being shot in a duel. (12. July 1804)