Famous birthdays, deaths and events of 1803
January 3 - Douglas William Jerrold, British playwright (d. 1857) January 6 - Henri Herz, Austrian pianist January 15 - Marjory Fleming, Scottish writer and poet (d. 1811) May 25 - Edward George Bulwer-Lytton, English novelist and playwright (d. 1873) June 24 - George James Webb, English-born composer (d. 1887) June 29 - John Newton Brown, American publisher (d. 1868) June 30 - Thomas Lovell Beddoes, English poet (d. 1849) July 24 - Adolphe Charles Adam, French composer (d. 1856) August 25 - Luís Alves de Lima e Silva, the Duque de Caxias September 19 - Maria Anna of Savoy, Empress of Austria and queen of Hungary and Bohemia (d. 1884) September 28 - Prosper Mérimée, French author (d. 1870) September 29 - Mercator Cooper, American sea captain (d. 1872) November 14 - Jacob Abbott, American writer (d. 1879) November 23 - Theodore Dwight Weld, Leading abolitionist of American Slavery (d. 1895) December 5 - Fyodor Ivanovich Tyutchev, Russian poet (d. 1873) December 7 - Maria Josepha of Saxony, queen consort of Spain (d. 1829) December 11 - Hector Berlioz, French composer (d. 1869) December 27 - François-Marie-Thomas Chevalier de Lorimier, French Canadian Patriote (d. 1839)
January 18 - Ippolit Bogdanovich, Russian poet (b. 1743) February 9 - Jean François de Saint-Lambert, French poet (b. 1716) February 18 - Johann Wilhelm Ludwig Gleim, German poet (b. 1719) February 20 - Marie Dumesnil, French actress (b. 1713) March 14 - Friedrich Gottlieb Klopstock, German writer (b. 1724) March 29 - Gottfried van Swieten, Dutch composer (b. 1733) April 2 - Sir James Montgomery, 1st Baronet June 24 - Matthew Thornton, American signer of the Declaration of Independence (b. 1714) September 5 - François Devienne, French composer (b. 1759) September 15 - Gian Francesco Albani, Italian Catholic cardinal (b. 1719) September 17 - Franz Xaver Süssmayr, Austrian composer (b. 1766) September 20 - Robert Emmet, Irish patriot (b. 1780) December 18 - Johann Gottfried Herder, German writer (b. 1744) December 30 - Francis Lewis, signer of the American Declaration of Independence (b. 1713)
February 14 - Chief Justice John Marshall declares that any act of U.S. Congress that conflicts with the Constitution is void. 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. March 3 - Colégio Militar is founded in Portugal by Colonel Teixeira Rebello. April 30 - Louisiana Purchase: The United States purchases the Louisiana Territory from France for $15 million, more than doubling the size of the young nation. May 18 - Napoleonic Wars: The United Kingdom revokes the Treaty of Amiens and declares war on France. 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 26 - The Surrey Iron Railway, arguably the world's first public railway, opens in south London. August 31 - Lewis and Clark start their expedition to the west by leaving Pittsburgh, Pennsylvania at 11 o clock in the morning. September 3 - English scientist John Dalton started using symbols to represent the atoms of different elements. September 23 - Second Anglo-Maratha War: Battle of Assaye. October 20 - The United States Senate ratifies the Louisiana Purchase. November 18 - The Battle of Vertières, the last major battle of the Haitian Revolution, is fought, leading to the establishment of the Republic of Haiti, the first black republic in the Western Hemisphere. November 30 - In New Orleans, Louisiana, Spanish representatives officially transfer Louisiana Territory to a French representative. Just 20 days later, France transfers the same land to the United States as the Louisiana Purchase. December 20 - The Louisiana Purchase is completed at a ceremony in New Orleans.