About the day » Saturday October 20, 1866Calender converter

• Angèle Marie Delphine Gustavine Stevens, Marchiennes-au-Pont († 1899)
• Anthonie de Reus, zuid-beijerland (zuid holland)
• Aartje Maria NIEUWENDORP, Sliedrecht († 1933)
• * Daniel van der Ham, Arkel
• Andre Charles Joseph SLINGENEYER de GOESWIN, Saint-Josse-ten-Noode (Bruxelles-Capitale), Brussels Capital Region, Belgie († 1936)
• Anthon Johan Endert, Amsterdam
• Adriana Alida Klerk, Lekkerkerk, Zuid-Holland, Nederland
• Adrianus Heeren, Rijsbergen
• Adriana Lena Kruik, Rockanje († 1951)
• Angela Maria Delphine Stevens, Marchienne-au-Pont, Henegouwen († 1899)

• Alphonsus Tournois (0), Schoondijke
• Bernard Henrich Schütte (49), Versen, Meppen, Landkreis Emsland, Lower Saxony, Germany
• Berendina Derksen (1), Arnhem, Arnhem, Gelderland, Nederland
• Alida Johanna Sara Munnicks van Cleeff (34), Utrecht
• Alida Johanna Sara Munnicks van Cleeff (34), Utrecht, Utrecht, NL
• Bruno Léon VERHULLE (61), Comines,7780,Hainaut,Wallonie,Belgique,Belgique
• Albert Jan Thürkow (78), Assen
• Catharina Post (75), Beesd (Geldermalsen)
• Berendina Voetdijk (30), Deventer
• Bareld Lukas KLAMER (77), Oldekerk, Grootegast, Groningen, Nederland

• 1847 » Frits Thaulow, Norwegian painter († 1906)
• 1854 » Arthur Rimbaud, French soldier and poet († 1891)
• 1858 » John Burns, English union leader and politician, President of the Board of Trade († 1943)
• 1859 » John Dewey, American psychologist and philosopher († 1952)
• 1864 » James F. Hinkle, American banker and politician, 6th Governor of New Mexico († 1951)
• 1874 » Charles Ives, American composer († 1954)
• 1882 » Bela Lugosi, Hungarian-American actor († 1956)
• 1882 » Margaret Dumont, American actress († 1965)
• 1885 » Jelly Roll Morton, American pianist, composer, and bandleader (Red Hot Peppers and New Orleans Rhythm Kings) († 1941)
• 1887 » Prince Yasuhiko Asaka of Japan († 1981)

• 1865 » Champ Ferguson, American guerrilla leader (b. 1821)
• 1870 » Michael William Balfe, Irish violinist and composer (b. 1808)
• 1871 » Karl Christian Ulmann, Latvian-German theologian and academic (b. 1793)
• 1880 » Lydia Maria Child, American journalist, author, and activist (b. 1802)
• 1883 » George Chichester, 3rd Marquess of Donegall (b. 1797)
• 1890 » Richard Francis Burton, English-Italian geographer and explorer (b. 1821)
• 1894 » James Anthony Froude, English historian, novelist, biographer and editor (b. 1818)
• 1900 » Naim Frashëri, Albanian poet and translator (b. 1846)
• 1908 » Vaiben Louis Solomon, Australian politician, 21st Premier of South Australia (b. 1853)
• 1910 » David B. Hill, American lawyer and politician, 29th Governor of New York (b. 1843)

1. Jan
2. Johannes
3. Hendrik
4. Cornelis
5. Pieter
6. Willem
7. Gerrit
8. Jacob
9. Petrus
10. Jacobus
11. Dirk
12. Arie
13. Adrianus
14. Hendrikus
15. Klaas
16. Albert

1. Maria
2. Johanna
3. Anna
4. Cornelia
5. Elisabeth
6. Adriana
7. Catharina
8. Hendrika
9. Grietje
10. Wilhelmina
11. Aaltje
12. Trijntje
13. Antje
14. Neeltje
15. Elizabeth
16. Petronella

• 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.
• January 12 » The Royal Aeronautical Society is formed in London.
• April 4 » Alexander II of Russia narrowly escapes an assassination attempt by Dmitry Karakozov in the city of Saint Petersburg.
• June 3 » The Fenians are driven out of Fort Erie, Ontario back into the United States.
• June 24 » Battle of Custoza: An Austrian army defeats the Italian army during the Austro-Prussian War.
• July 27 » The first permanent transatlantic telegraph cable is successfully completed, stretching from Valentia Island, Ireland, to Heart's Content, Newfoundland.
• October 22 » A plebiscite ratifies the annexion of Veneto and Mantua to Italy, which had occurred three days before, on October 19.

The temperature on October 20, 1866 was about 15.1 °C. The air pressure was 1 kgf/m² and came mainly from the south east. The airpressure was 77 cm mercury. The atmospheric humidity was 58%.