About the day » Monday October 15, 1866Calender converter

• Alice Emily (Emily) Green, Mangrove Creek, NSW, AU († 1950)
• Alexander Johannes Franken, Breda, Noord-Brabant, Nederland († 1914)
• Caro, Velp (Rheden), Gelderland, Nederland († 1866)
• Anna Angela Specker, Heede
• Alida van Beelen, Katwijk, Zuid-Holland, Nederland († 1867)
• Aleida Arnolda Everdina Daams, Arnhem († 1965)
• Alfred Seraphin D'havé, Waarschoot († 1939)
• Adriana van Gils, Gilze en Rijen, Gemeente Gilze en Rijen, Noord-Brabant, Nederland († 1944)
• Addie Sophia Benson, Weston, Vermont, Verenigde Staten († 1942)
• Maria Danckers, Halsteren († 1938)

• Antonij Pieters TELDER (59), Meppel
• Aleida Gesina Winkelhorst, Haart (Aalten)
• Aaltje Freerks (82), Grijpskerk
• Aaltje Delver (23), Haarlemmermeer
• ADRIANUS WILS (43), Ossendrecht, Nederland
• Anna Aalders (80), Velsen
• Anthonie Telder (59), Meppel
• Adriaan Immers (82), Mol, België
• Abraham Hettrick (83), Cumberland, Pennsylvania, United States
• Albertus van Tuil (0), Nijmegen

• 1858 » John L. Sullivan, American boxer, actor, and journalist († 1918)
• 1865 » Charles W. Clark, American singer and educator († 1925)
• 1872 » August Nilsson, Swedish pole vaulter, shot putter, and tug of war competitor († 1921)
• 1872 » Wilhelm Miklas, Austrian educator and politician, 3rd President of Austria († 1956)
• 1874 » Alfred, Hereditary Prince of Saxe-Coburg and Gotha († 1899)
• 1878 » Paul Reynaud, French lawyer and politician, 118th Prime Minister of France († 1966)
• 1879 » Jane Darwell, American actress († 1967)
• 1881 » P. G. Wodehouse, English novelist and playwright († 1975)
• 1882 » Charley O'Leary, American baseball player and coach († 1941)
• 1884 » Archibald Hoxsey, American pilot († 1910)

• 1811 » Nathaniel Dance-Holland, English painter and politician (b. 1735)
• 1817 » Tadeusz Kościuszko, Polish-Lithuanian general and engineer (b. 1746)
• 1819 » Sergey Vyazmitinov, Russian general and politician, War Governor of Saint Petersburg (b. 1744)
• 1820 » Karl Philipp, Prince of Schwarzenberg (b. 1771)
• 1837 » Ivan Dmitriev, Russian poet and politician, Russian Minister of Justice (b. 1760)
• 1891 » Gilbert Arthur à Beckett, English author and songwriter (b. 1837)
• 1900 » Zdeněk Fibich, Czech pianist and composer (b. 1850)
• 1910 » Stanley Ketchel, American boxer (b. 1886)
• 1917 » Mata Hari, Dutch dancer and spy (b. 1876)
• 1918 » Sai Baba of Shirdi, Indian guru and saint (b. 1838)

• Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
• In The Netherlands , there was from February 10, 1866 to June 1, 1866 the cabinet Fransen van de Putte, with I.D. Fransen van de Putte (liberaal) as prime minister.
• From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
• The Netherlands had about 3.6 million citizens.
• April 6 » The Grand Army of the Republic, an American patriotic organization composed of Union veterans of the American Civil War, is founded. It lasts until 1956.
• April 8 » Italy and Prussia ally against the Austrian Empire.
• June 2 » The Fenians defeat Canadian forces at Ridgeway and Fort Erie, but the raids end soon after.
• July 20 » Austro-Prussian War: Battle of Lissa: The Austrian Navy, led by Admiral Wilhelm von Tegetthoff, defeats the Italian Navy near the island of Vis in the Adriatic Sea.
• July 25 » The United States Congress passes legislation authorizing the rank of General of the Army. Lieutenant General Ulysses S. Grant becomes the first to be promoted to this rank.
• August 23 » Austro-Prussian War ends with the Treaty of Prague.

The temperature on October 15, 1866 was about 11.9 °C. The air pressure was 1 kgf/m² and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 72%.