1804 History Timeline and Biographies

The year 1804 was marked by significant events across various fields including politics, science, and culture. It was a year that saw the rise of influential leaders, groundbreaking scientific achievements, and notable cultural milestones. This timeline provides a detailed account of the key developments that occurred in 1804, offering insights into the events that shaped history during this pivotal year.

Creation Time:2024-07-03

1804

Napoleon Bonaparte Becomes Emperor of the French

On December 2, 1804, Napoleon Bonaparte crowned himself Emperor of the French in a ceremony at Notre-Dame Cathedral in Paris, marking the end of the French Consulate and the beginning of the First French Empire.
1804

Lewis and Clark Expedition Begins

In May 1804, Meriwether Lewis and William Clark set out on an expedition to explore the newly acquired Louisiana Territory, aiming to find a practical route across the western half of the continent and to establish an American presence in this territory.
1804

On January 1, 1804, Haiti declared its independence from France, becoming the first independent nation in Latin America and the Caribbean, and the first post-colonial independent black-led nation in the world.
1804

World's First Steam Locomotive

Richard Trevithick, a British engineer and inventor, built the world's first steam locomotive in 1804. The locomotive successfully carried 10 tons of iron, 70 men, and five extra wagons from the Penydarren Ironworks in South Wales.
1804

Death of Immanuel Kant

The renowned German philosopher Immanuel Kant, known for his works in epistemology and metaphysics, passed away on February 12, 1804.
1804

The Code Napoléon is Promulgated

The Napoleonic Code, a comprehensive set of civil laws for France, was promulgated in 1804. It served as a model for legal systems in many other countries.
1804

Twelfth Amendment to the U.S. Constitution

The Twelfth Amendment to the United States Constitution was ratified on June 15, 1804, modifying the procedure for electing the President and Vice President.
1804

End of the First Barbary War

The First Barbary War between the United States and the Barbary States of North Africa ended in 1804 with the signing of a peace treaty.
1804

The Serbian Revolution

The Serbian Revolution began in 1804 as an uprising against Ottoman rule, eventually leading to the establishment of modern Serbia.
1804

Founding of the Royal Horticultural Society

The Royal Horticultural Society was founded in London in 1804, becoming one of the world's leading gardening organizations.
1804

Birth of Johann Strauss I

Johann Strauss I, the Austrian composer known for his waltzes, was born on March 14, 1804.
1804

The Lewis and Clark Expedition Encounters the Great Plains

In August 1804, the Lewis and Clark Expedition reached the Great Plains, documenting numerous new species of plants and animals.
1804

Death of Alexander Hamilton

Alexander Hamilton, one of the Founding Fathers of the United States, died on July 12, 1804, after being mortally wounded in a duel with Aaron Burr.
1804

Construction of the Rosetta Stone Completed

The Rosetta Stone, a granodiorite stele inscribed with a decree issued in Memphis, Egypt, in 196 BC, was completed in 1804 and later became key to deciphering Egyptian hieroglyphs.
1804

In 1804, German pharmacist Friedrich Sertürner isolated morphine from opium, marking the first recorded use of this powerful painkiller.
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