Famous birthdays, deaths and events of 1819
- January 1 - Arthur Hugh Clough, English poet (d. 1861)
- February 8 - John Ruskin, English author (d. 1900)
- February 11 - Samuel Parkman Tuckerman, American composer (d. 1890)
- February 14 - Joshua A. Norton, American eccentric (d. 1880)
- February 22 - James Russell Lowell, American poet and essayist (d. 1891)
- March 4 - Charles Oberthur, German-born harpist (d. 1895)
- April 4 - Queen Maria II of Portugal, (d. 1853)
- April 18 - Franz von Suppé, Austrian composer (d. 1895)
- May 24 - Queen Victoria of the United Kingdom, (d. 1901)
- May 27 - Julia Ward Howe, American composer (d. 1910)
- May 31 - Walt Whitman, American poet (d. 1892)
- June 12 - Charles Kingsley, English writer (d. 1875)
- June 20 - Jacques Offenbach, German-born French composer (d. 1880)
- July 2 - Charles-Louis Hanon, French composer (d. 1900)
- July 19 - Gottfried Keller, Swiss writer (d. 1890)
- August 1 - Herman Melville, American writer (d. 1891)
- August 18 - Grand Duchess Maria Nikolaievna, Duchess of Leuchtenberg (d. 1876)
- August 25 - Allan Pinkerton, American private detective (d. 1884)
- September 13 - Clara Schumann, German pianist and composer (d. 1896)
- October 20 - Carl Mikuli, Polish pianist (d. 1897)
- November 22 - George Eliot, British novelist (d. 1880)
- December 22 - Franz Wilhelm Abt, German composer (d. 1870)
- December 26 - E. D. E. N. Southworth, American novelist (d. 1899)
- December 30 - Theodor Fontane, German writer (d. 1898)
- January 14 - Peter Pindar, English satirist (b. 1738)
- March 8 - Benjamin Ruggles Woodbridge, doctor
- July 1 - Jemima Wilkinson, American preacher (b. 1752)
- October 6 - Charles Emmanuel IV of Sardinia, (b. 1751)
- December 5 - Count Friedrich Leopold zu Stolberg, German poet (b. 1750)
- February 6 - Sir Thomas Stamford Raffles founds Singapore.
- February 7 - Sir Thomas Stamford Raffles leaves Singapore after just taking it over, leaving it in the hands of William Farquhar.
- February 17 - The United States House of Representatives passes the Missouri Compromise.
- February 19 - British explorer William Smith discovers the South Shetland Islands, and claims them in the name of King George III.
- February 22 - By the Adams-Onís Treaty, Spain sells Florida to the United States for five million U.S. dollars.
- May 22 - The SS Savannah leaves port at Savannah, Georgia, United States, on a voyage to become the first steamship to cross the Atlantic Ocean. The ship arrived at Liverpool, England on June 20.
- June 20 - The U.S. vessel SS Savannah arrives at Liverpool, United Kingdom. She is the first steam-propelled vessel to cross the Atlantic, although most of the journey was made under sail.
- July 3 - The first savings bank in the United States (The Bank of Savings in New York City) opens.
- August 6 - Norwich University is founded in Vermont as the first private military school in the United States.
- August 7 - Simón Bolívar triumphs over Spain in the Battle of Boyacá.
- August 16 - Seventeen people die and over 600 are injured by cavalry charges at the Peterloo Massacre at a public meeting at St. Peter's Field, Manchester, England.
- December 14 - Alabama becomes the 22nd U.S. state.
- December 17 - Simón Bolívar declares the independence of the Republic of Gran Colombia in Angostura (now Ciudad Bolívar in Venezuela).