page_title: 1809
section_title: January–June
hierarchical_section_title: 1809 / Births / January–June
caption_attribution_description: English: The Portrait of Felix Mendelssohn
context_page_description: 1809 was a common year starting on Sunday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1809th year of the Common Era and Anno Domini designations, the 809th year of the 2nd millennium, the 9th year of the 19th century, and the 10th and last year of the 1800s decade. As of the start of 1809, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
context_section_description: January 1 – Cao Bá Quát, Vietnamese poet (d. 1855)
  January 4 – Louis Braille, French teacher, inventor of braille (d. 1852)
  January 6 – Marie Durocher, Brazilian obstetrician, physician (d. 1893)
  January 15
  Cornelia Connelly, American founder of the Society of the Holy Child Jesus (d. 1879)
  Pierre-Joseph Proudhon, French anarchist (d. 1864)
  January 19 – Edgar Allan Poe, American writer, poet (d. 1849)
  January 21 – Queen Sinjeong, Korean regent (d. 1890)
  February 3 – Felix Mendelssohn, German composer (d. 1847)
  February 12
  Charles Darwin, British naturalist (d. 1882)
  Abraham Lincoln, 16th President of the United States (d. 1865)
  February 15 – Cyrus McCormick, American inventor (d. 1884)
  February 23 – William Sprague, American minister and politician from Michigan (d. 1868)
  February 24 – Edwin Freiherr von Manteuffel, Prussian field marshal (d. 1885)
  March 2 – Abel Douay, French general (d. 1870)
  March 15 – Joseph Jenkins Roberts, 2-time President of Liberia (d. 1876)
  March 24 – Joseph Liouville, French mathematician (d. 1882)
  March 27 – Georges-Eugène Haussmann, French civic planner (d. 1891)
  March 29 – Bettino Ricasoli, Italian statesman (d. 1880)
  April 1 – Nikolai Gogol, Russian writer (d. 1852)
  April 15 – Hermann Grassmann, Prussian mathematician (d. 1877)
  April 20 – James David Forbes, Scottish physicist, geologist, inventor (d. 1868)
  May 20 – Albert Newsam, American artist (d. 1864)
  May 22 – Constantin A. Crețulescu, 7th Prime Minister of Romania (d. 1884)
  May 23 – Hugo von Kirchbach, Prussian general (d. 1887)
  June 4
  Columbus Delano, American statesman (d. 1896)
  John Henry Pratt, English clergyman and mathematician (d. 1871)
  June 8 – Richard Wigginton Thompson, American politician (d. 1900)
  June 11 – Juan Antonio Pezet, Peruvian general and politician, President of Peru (d. 1879)
  June 18 – Stephen Greenleaf Bulfinch, American minister, hymn writer (d 1870)
  June 20 – Isaak August Dorner, German theologian (d. 1884)
  June 27 – François Certain de Canrobert, French general, Marshal of France (d. 1895)
caption: Felix Mendelssohn
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