As of the start of 1804, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.

Learn about 48 famous, scandalous and important events that happened in 1804 or search by date or keyword.

On July 11, 1804, in one of the most famous duels in American history, Vice President Aaron Burr fatally shoots his long-time political antagonist Alexander Hamilton. Hamilton, a leading...

In 1804 the United States was growing rapidly in population as well as territory. The 1800 census indicated that the nation was composed of about 5.3 million people.

Jul 3, 2024 · 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 …

Events from the year 1804 in the United States. President: Thomas Jefferson (DR-VA) Vice President: Aaron Burr (DR-NY) Chief Justice: John Marshall (VA) Speaker of the House of …

November 3 – The Treaty of St. Louis (1804) is signed by Quashquame and William Henry Harrison; controversy surrounding the treaty eventually causes the Sauks to ally with the …

What happened in the year 1804 in history? Famous historical events that shook and changed the world. Discover events in 1804.

Nov 6, 2025 · United States presidential election of 1804 was an American presidential election held in 1804, in which Democratic-Republican incumbent Thomas Jefferson defeated …

Nov 1, 2024 · The Election of 1804 had several notable historical outcomes. First, it was the first election conducted under the adopted rules outlined in the 12 th Amendment to the U.S. …