About the day » Thursday August 23, 1866Calender converter

• "August" Ludwig Friedrich Hugold Karl von Behr-Negendank, Berlin († 1942)
• Aagje Groothuizen, Hensbroek, Noord-Holland, Nederland († 1918)
• Aaltje Hendricus Billenkamp, Tjalleberd, Friesland, Nederland
• * Theodora Vugts, Haarsteeg († 1924)
• Aaltje Robertus, Slochteren († 1890)
• Andreas Joachim Smits, Oosterhout, Noord-Brabant, Nederland († 1941)
• de Hoon, Princenhage († 1866)
• ADRIANA POT, BLESKENSGRAAF EN HOFWEGEN
• Aagie KUYPER, Pella, IA († 1952)
• Adriana van der Ende, Vlaardingen

• Aagje Walles (Aagjen) Veldhuis (54), Wymbritseradeel, Friesland, Nederland
• Albert Alberts Tuin (31), Barsbeek, Ambt Vollenhove
• Adriana Vriends (0), Breda
• Andries Jannes Krol (41), Wapserveen, Havelte, Drenthe, Netherlands
• Andrina van Driel (75), Hendrik-Ido-Ambacht
• Albert Tuin (31), Barsbeek, Vollenhove (Ambt), Steenwijkerland
• Anna Elisabeth Ramackers (41), Wijlre (L) Overl Akte
• Aagje~Walles Veldhuis (54), Nijlân
• Anna Elisabeth Thijs (82), Turnhout
• Andries Knol, Havelte

• 1852 » Clímaco Calderón, Colombian lawyer and politician, 15th President of Colombia († 1913)
• 1852 » Radha Gobinda Kar, Indian physician and philanthropist († 1918)
• 1854 » Moritz Moszkowski, Polish-German pianist and composer († 1925)
• 1864 » Eleftherios Venizelos, Greek lawyer, jurist, and politician, 93rd Prime Minister of Greece († 1936)
• 1867 » Edgar de Wahl, Ukrainian-Estonian linguist and academic († 1948)
• 1868 » Edgar Lee Masters, American lawyer, author, poet, and playwright († 1950)
• 1872 » Tanguturi Prakasam, Indian lawyer and politician, 1st Chief Minister of Andhra († 1957)
• 1875 » Eugene Lanceray, Russian painter and sculptor († 1946)
• 1875 » William Eccles, English physicist and engineer († 1966)
• 1877 » István Medgyaszay, Hungarian architect and academic († 1959)

• 1806 » Charles-Augustin de Coulomb, French physicist and engineer (b. 1736)
• 1813 » Alexander Wilson (ornithologist), Scottish-American poet, ornithologist, and illustrator (b. 1766)
• 1819 » Oliver Hazard Perry, American commander (b. 1785)
• 1831 » August Neidhardt von Gneisenau, Prussian field marshal (b. 1760)
• 1831 » Ferenc Kazinczy, Hungarian author and poet (b. 1759)
• 1853 » Alexander Calder, American lawyer and politician (b. 1806)
• 1867 » Auguste-Marseille Barthélemy, French poet and author (b. 1796)
• 1892 » Deodoro da Fonseca, Brazilian field marshal and politician, 1st President of Brazil (b. 1827)
• 1900 » Kuroda Kiyotaka, Japanese general and politician, 2nd Prime Minister of Japan (b. 1840)
• 1924 » Heinrich Berté, Slovak-Austrian composer (b. 1856)

• 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 18 » Wesley College is established in Melbourne, Australia.
• February 16 » Spencer Compton Cavendish, Marquess of Hartington becomes British Secretary of State for War.
• April 8 » Italy and Prussia ally against the Austrian Empire.
• May 1 » The Memphis Race Riots begin. In three days time, 46 blacks and two whites were killed. Reports of the atrocities influenced passage of the Fourteenth Amendment to the United States Constitution.
• July 3 » Austro-Prussian War is decided at the Battle of Königgrätz, resulting in Prussia taking over as the prominent German nation from Austria.
• August 17 » The Grand Duchy of Baden announces her withdrawal from the German Confederation and signs a treaty of peace and alliance with Prussia.

The temperature on August 23, 1866 was about 23.6 °C. The air pressure was 0.5 kgf/m² and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 66%.