Year 1803: Fun Facts, Trivia, and History

This quick read is a mix of fun facts, trivia, and historical events from the year 1803. Discover the year’s top news stories, most influential people, historic firsts, famous births and deaths, U.S. economic news, entertainment trivia, and much more.

Take a journey through history in just minutes.

1. President of the United States: Thomas Jefferson (DR-Virginia)
2. Vice President: Aaron Burr (DR-New York)
3. Chief Justice of the Supreme Court: John Marshall (Virginia)
4. Speaker of the House of Representatives: Nathaniel Macon (DR-North Carolina)
5. The 7th U.S. Congress was in session until March 4. On that date, the 8th U.S. Congress convened, and both chambers had a Democratic-Republican majority.
6. Inflation rate: 5.61%
7. $100.00 in 1803 is equivalent in purchasing power to about $2,947.08 today. The U.S. dollar had “an average inflation rate of 1.53% per year” between 1803 and 2026, “producing a cumulative price increase of 2,847.08%.” In other words, a U.S. dollar today buys about 3.393% of what it could purchase back in 1803.
8. It’s worth noting that the U.S. dollar has lost 97% of its value since 1803.
9. $1.00 in 1803 is equivalent in purchasing power to about $29.47 today.
10. $10.00 in 1803 is equivalent in purchasing power to about $294.71 today.
11. As mentioned above, $100.00 in 1803 is equivalent in purchasing power to about $2,947.08 today.
12. Finally, $1,000.00 in 1803 is equivalent in purchasing power to about $29,470.80 today.
13. Consumer price index (CPI): 11.300
14. American companies established in 1803 included The Philadelphia Bank.
15. In 1803, there were 17 U.S. states. In order of admission to the Union, they were Delaware (1787), Pennsylvania (1787), New Jersey (1787), Georgia (1788), Connecticut (1788), Massachusetts (1788), Maryland (1788), South Carolina (1788), New Hampshire (1788), Virginia (1788), New York (1788), North Carolina (1789), Rhode Island (1790), Vermont (1791), Kentucky (1792), Tennessee (1796), and Ohio (1803).
16. On January 18, President Jefferson requested funding from Congress for the Lewis and Clark expedition.
17. On January 23, Arthur Guinness passed away. He was an Irish entrepreneur who founded the iconic St. James's Gate Brewery in Dublin during 1759.
18. On February 14, Moses Coates of Downington, Pennsylvania, received a U.S. patent for an apple parer, a device designed to peel apples.
19. On February 24, in the landmark case of William Marbury v. James Madison, Secretary of State of the United States, the Supreme Court confirmed “the legal principle of judicial review—the ability of the Supreme Court to limit Congressional power by declaring legislation unconstitutional—in the new nation.”
20. On March 1, Ohio was admitted as the 17th U.S. state.
21. On April 11, French Foreign Minister Charles Maurice de Talleyrand offered to sell the entire Louisiana Territory to the United States.
22. On April 30, negotiators from the United States and Napoleonic France finalized the terms for the Louisiana Purchase, “a landmark agreement that effectively doubled the size of the American republic, encompassing most of the territory between the Mississippi and Rocky Mountains.”
23. On May 17, John Hawkins and Richard French of New Jersey received a U.S. patent for a reaping machine.
24. On May 22, the Scoville Memorial Library in Salisbury, Connecticut, became America’s first publicly funded library. Earlier in the year, Salisbury resident Caleb Bingham “donated 150 books for the youth of the town” to the library.
25. On August 9, American engineer Robert Fulton tested his steamboat on the River Seine in France, but it sank.
26. On August 19, British social reformer Elizabeth Gurney married tea dealer Joseph Fry.
27. On October 20, the U.S. Senate approved a treaty with France for the purchase of the Louisiana Territory, which would double the size of the United States.
28. On December 20, the French flag was lowered in New Orleans to commemorate the Louisiana Purchase.
29. A key fiction book published in 1803 was Mary Meek’s A Tale of Mystery, or Celina.
30. In 1803, a London publisher advertised Jane Austen's novel Northanger Abbey, “a satire on Gothic fiction.” However, Austen’s literary work was not published until 1817, after her death.
31. Notable nonfiction works for the year included British economist Thomas Malthus’ An Essay on the Principle of Population (2nd edition).
32. Two top dramatic works for the year were John Allingham’s Hearts of Oak and The Marriage Promise.
33. Famous people who were born in 1803 included Hector Berlioz (composer), John Gorrie (inventor), John Sutter (entrepreneur), Ralph Waldo Emerson (philosopher and essayist), and Robert Stephenson (engineer).
34. Famous people who died in 1803 were George Bass (one of the first people to explore the interior of Australia) and Robert Emmet (Irish activist who led the 1803 Irish rebellion).
35. In 1803 as well, the words “absolute value,” “all the same,” “bird-watcher,” “businessman,” “camp meeting,” “centerpiece,” “chassé,” “cut-and-paste,” “liberalism,” “litmus paper,” “mountaineering,” “old-school,” “opera hat,” “pigpen,” “schoolwork,” “steel blue,” “transcendentalism,” “Uncle Sam,” “vaporize,” and “vodka” all appeared in print for the first time.

References:

1. https://en.wikipedia.org/wiki/1803_in_the_United_States
2. https://www.officialdata.org/us/inflation/1803
3. https://en.wikipedia.org/wiki/1803_in_literature
4. https://www.famousbirthdays.com/year/1803.html
5. https://www.famousbirthdays.com/deceased/1803.html
6. https://www.merriam-webster.com/time-traveler/1803
7. https://www.onthisday.com/events/date/1803
8. https://www.foodreference.com/html/html/yearonlytimeline1800-1899.html
9. https://www.history.com/a-year-in-history/1803

Disclaimer: In writing and editing this article, Gregory DeVictor has made every effort to ensure historical accuracy and not to mislead his audience. In addition, the contents of this article, including text, graphics, and captions, are for general informational purposes only.

© 2026 Gregory DeVictor