Historical Events
- Oct 18 Boundary between Maryland and Pennsylvania, the Mason–Dixon line is agreed upon
Famous Birthdays
- Oct 6 Henri Christophe, President of Haiti (1807-11) and King of Haiti (1811-20), born in Grenada (d. 1820)
- Oct 21 Francesco Ruggi, Italian opera and sacred music composer, born in Naples, Kingdom of Naples (now Italy) (d. 1845)
- Oct 23 Benjamin Constant [de Rebeque], French politician and writer (Adolphe), born in Lausanne, Switzerland (d. 1830)
- Oct 28 Marie Sophie of Hesse-Kassel, queen consort of Denmark and Norway, born in Hanau, Hesse, Germany (d. 1852)
Famous Weddings
- Oct 4 Prince Willem V marries Prussian princess Wilhelmina
Famous Deaths
- Oct 18 Joseph Paul Ziegler, Austrian composer, dies at 45