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Important Historical Events of the year 1804, Year 1804 in History

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List of 1804 Major News Events in History, Most Important Historical Events in 1804

What happened in the year 1804?

Date Event
January 1, 1804 French rule ends in Haiti. Haiti becomes the first black-majority republic and second independent country in North America after the United States.
February 14, 1804 Karađorđe leads the First Serbian Uprising against the Ottoman Empire.
February 16, 1804 First Barbary War: Stephen Decatur leads a raid to burn the pirate-held frigate USS Philadelphia.
February 21, 1804 The first self-propelling steam locomotive makes its outing at the Pen-y-Darren Ironworks in Wales.
March 4, 1804 Castle Hill Rebellion: Irish convicts rebel against British colonial authority in the Colony of New South Wales.
March 21, 1804 Code Napoléon is adopted as French civil law.
May 13, 1804 Forces sent by Yusuf Karamanli of Tripoli to retake Derna from the Americans attack the city.
May 14, 1804 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.
May 18, 1804 Napoleon Bonaparte is proclaimed Emperor of the French by the French Senate.
May 22, 1804 The Lewis and Clark Expedition officially begins as the Corps of Discovery departs from St. Charles, Missouri.
June 15, 1804 New Hampshire approves the Twelfth Amendment to the United States Constitution, ratifying the document.
July 11, 1804 A duel occurs in which the Vice President of the United States Aaron Burr mortally wounds former Secretary of the Treasury Alexander Hamilton.
August 11, 1804 Francis II assumes the title of first Emperor of Austria.
September 1, 1804 Juno, one of the largest asteroids in the Main Belt, is discovered by the German astronomer Karl Ludwig Harding.
September 25, 1804 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.
October 9, 1804 Hobart, capital of Tasmania, is founded.
December 2, 1804 At Notre Dame Cathedral in Paris, Napoleon Bonaparte crowns himself Emperor of the French.
December 4, 1804 The United States House of Representatives impeaches Supreme Court Justice Samuel Chase.