1803

Years: 1800 1801 1802 - 1803 - 1804 1805 1806
Decades: 1770s 1780s 1790s - 1800s - 1810s 1820s 1830s
Centuries: 18th century - 19th century - 20th century 1803 in art 1803 in literature 1803 in music 1803 in science 1803 in sports List of state leaders in 1803 List of religious leaders in 1803

Table of contents

1 Events

1.1 Ongoing events

2 Births
3 Deaths

Events

January 30 - Monroe and Livingston sail for Paris to discuss, and possibly buy, New Orleans. They end completing the Louisiana Purchase.
February 24 - The Supreme Court of the United States, in Marbury v. Madison, establishes the principle of judicial review.
March 1 - Ohio is admitted as the 17th U.S. state, retroactive from August 7, 1953.
April 30 - Louisiana Purchase made by the United States from France.
May 18 - The United Kingdom redeclares war on France after France refused to withdraw from Dutch territory.
July 4 - The Louisiana Purchase is announced to the American people.
July 5 - The convention of Artlenburg leads to the French occupation of Hanover (which had been ruled by the British king).
July 23 - Robert Emmet's uprising in Ireland begins
July 26 - The wagonway between Wandsworth and Croydon is opened, being the first public railway line of the world.
August 3 – British begin Second Mahratta War against Sindhia of Gwalior
September 20 - Irish rebel Robert Emmet is executed
September 23 - The Battle of Assaye in India – British-lead troops defeat Marathan forces
November 30 - At the Cabildo building in New Orleans, Spanish representatives Governor Manuel de Salcedo and the Marqués de Casa Calvo, officially transfer Louisiana Territory to French representative Prefect Pierre Clément de Laussat (just 20 days later, France had transferred the same land to the United States as the Louisiana Purchase).

France - the Livre Tournois (Tours Pound) is replaced by the Franc.

William Osgoode, Chief Justice of Lower Canada, rules that slavery is inconsistent with British Law.