About the day » Monday April 23, 1866Calender converter

• Adriaan Tollenaar, Kamperland († 1867)
• Abraham Beerens, Sint Kruis, Sluis-Aardenburg, Zeeland, Netherlands († 1924)
• Altha Gertrude Harrelson († 1935)
• Pronk, Scheveningen
• aaltje SNIJDERS, den haag († 1943)
• Adele Colegrove, Plainfield, Will County, Illinois, Verenigde Staten († 1891)
• Anna I Scott, Berlin, Saint Clair, Michigan, Verenigde Staten († 1950)
• Abraham Hoogendijk, Den Helder, Nederland († 1941)
• Aleida Magdeltje BEEKHUIS, Buitenpost, gemeente Achtkarspelen († 1945)
• Andrew Detweiler SAYLOR († 1867)

• Arnolda Peters (96), Sint Anthonis, NL
• Bernardus Anthonius Beekes (0), Utrecht
• Catharina Susanna de Moor (56), Reeuwijk, Zuid-Holland, Nederland
• Antie Voorhees (76), Ontario County, New York
• Aaltje BIJKER (8), Hoogeveen, Drenthe, Nederland
• Aate Klases Hoekstra (68), Suawoude
• Anna Frederika Sophia Van Deelen (0), Den Haag
• Carolina Hendrina Gerardina Kesselaar (54), Appingedam, Groningen, Nederland
• Albertus van Huijk (53), Nijkerk, Gelderland, Nederland
• Arie Rietveld (42), Leerbroek

• 1853 » Winthrop M. Crane, American businessman and politician, 40th Governor of Massachusetts († 1920)
• 1856 » Granville Woods, American inventor and engineer († 1910)
• 1857 » Ruggero Leoncavallo, Italian composer († 1919)
• 1858 » Max Planck, German physicist and academic, Nobel Prize laureate († 1947)
• 1860 » Justinian Oxenham, Australian public servant († 1932)
• 1861 » Edmund Allenby, 1st Viscount Allenby, English field marshal and diplomat, British High Commissioner in Egypt († 1936)
• 1861 » John Peltz, American baseball player and manager († 1906)
• 1865 » Ali-Agha Shikhlinski, Russian-Azerbaijani general († 1943)
• 1867 » Johannes Fibiger, Danish physician and pathologist, Nobel Prize laureate († 1928)
• 1876 » Arthur Moeller van den Bruck, German historian and author († 1925)

• 1794 » Guillaume-Chrétien de Lamoignon de Malesherbes, French lawyer and politician (b. 1721)
• 1827 » Georgios Karaiskakis, Greek general (b. 1780)
• 1839 » Jacques Félix Emmanuel Hamelin, French admiral and explorer (b. 1768)
• 1850 » William Wordsworth, English poet and author (b. 1770)
• 1889 » Jules Amédée Barbey d'Aurevilly, French author and critic (b. 1808)
• 1895 » Carl Ludwig, German physician and physiologist (b. 1815)
• 1905 » Gédéon Ouimet, Canadian politician, 2nd Premier of Quebec (b. 1823)
• 1907 » Alferd Packer, American prospector (b. 1842)
• 1915 » Rupert Brooke, English poet (b. 1887)
• 1936 » Teresa de la Parra, French-Venezuelan author (b. 1889)

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.
• March 27 » President of the United States of America Andrew Johnson vetoes the Civil Rights Act of 1866. His veto is overridden by Congress and the bill passes into law on April 9.
• April 4 » Alexander II of Russia narrowly escapes an assassination attempt by Dmitry Karakozov in the city of Saint Petersburg.
• April 10 » The American Society for the Prevention of Cruelty to Animals (ASPCA) is founded in New York City by Henry Bergh.
• 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.
• May 5 » Memorial Day first celebrated in United States at Waterloo, New York.
• June 2 » The Fenians defeat Canadian forces at Ridgeway and Fort Erie, but the raids end soon after.

The temperature on April 23, 1866 was about 13.3 °C. The air pressure was 15 kgf/m² and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 25%.