The Slave Trade Act was passed in the British Parliament.
Lieutenant Zebulon Pike spotted an unnamed mountain peak while exploring the Colorado foothills of the Rocky Mountains.
Andrew Jackson killed Charles Dickinson in a duel.
Scottish civil engineer Thomas Telford designed and completed The Pontcysyllte Aqueduct.
Beethoven premiered Fidelio in Vienna, Austria, which was his only opera.
The previously known District of Louisiana became the Louisiana Territory.
Napoleon Bonaparte was crowned the Emperor of France in Paris.
German Astronomer Karl Ludwig Harding discovered the 3 Juno asteroid in the Asteroid Belt.
Alicia Thornton became the first British female jockey after taking part in a horse race at York Racecourse in Knavesmire, England.
Secretary of the Treasury, Alexander Hamilton, was shot in a pistol duel with Vice President Aaron Burr.
Napoleon Bonaparte was declared the Emperor of France by the French Senate.
The world's first railway journey takes place in Wales.
Louisiana Purchase completed.
The Balmis Expedition began in Spain. It's considered the first international healthcare expedition in history.
English chemist John Dalton read his first atomic theory paper to the Manchester Literary and Philosophical society.
The United States ratified the Louisiana Purchase.
Inventor Robert Fulton tested his 66-foot long boat on River Seine in Paris, France.
President Thomas Jefferson announced the Louisiana Purchase to the public.
British explorer Matthew Flinders became the first person to successfully circumnavigate Australia.
Britain declared war on France after Napoleon Bonaparte continued interfering in Italy and Switzerland.
The USA signed The Louisiana Purchase in Paris.
A meteorite shower caused thousands of meteor fragments to fall in L'Aigle, France.
Ohio became the 17th state to join the United States of America.
The US Supreme Court ruled it would be the final interpreter of all constitutional issues.
Emperor Gia Long unified Vietnam by conquering Hanoi.
Washington, D.C. was incorporated by Congress.
The first edition of America's oldest newspaper, The New York Evening Post, was published.
The Treaty of Florence was signed, which ended the war between the French Republic and the Kingdom of Naples.
The Union Jack flag was flown for the first time in Dublin, Ireland, to commemorate the union between Great Britain and Ireland.
A plot to blow up Napoleon Bonaparte with a barrel of gunpowder failed.
The US Senate held its first session in the unfinished Capitol Building.
Paris barred women from legally wearing pants.
US President John Adams became the first president to move into the White House.
Beethoven performed his first concert 'for his benefit' at Austria's Royal Imperial Court Theatre.
Napoleon Bonaparte left Egypt to return home to France.
In Rosetta, Egypt, French troops discovered a black stone carved with two ancient Egyptian texts and one Ancient Greek text.
Napoleon stated his support of re-establishing Jerusalem for Jews.
Income tax was introduced in the UK so that prime minister William Pitt could collect funds to beat Napoleon.
Hundreds of people died after a New England Blizzard.
Blacksmith, Patrick Lyon stole $162,821 in cash and gold from a vault at the Bank of Pennsylvania.
The British Army defeated Irish rebels at the Battle of Vinegar Hill.
Napoleon took the island of Malta.
The Territory of Mississippi was formally organized.
The world's first recorded parachute jump occurred from 3,300 feet (1,000 m) above Paris.
The Treaty of Campo Formio was signed between France and Austria.
Rear-Admiral Horatio Nelson's attempt to conquest Tenerife, Spain, failed.
Napoleon formed the Ligurian Republic.
America's second president John Adams was inaugurated in Philadelphia, Pennsylvania.
The Bank of England printed the first one-pound and two-pound banknotes.
£1 notes were circulated in Britain.