About the day » Sunday September 23, 1860Calender converter

• Aalt Meiling, Putten († 1943)
• Annigje Oosterhoff, Hemelumer Oldeferd, Friesland, Nederland
• Agnes Peters, Nijmegen
• Antonia Peters
• Arij Rietdijk, Oostvoorne, 3233, Nederland († 1929)
• Agatha Maria Fierst van Wijnandsbergen, Utrecht († 1917)
• Andries de Bree, Oost en West Souburg († 1865)
• Agnes Peters, Hees bij Nijmegen, Provincie Gelderland, Nederland
• Antonia Van De Wyngaert, Ekeren, Antwerpen
• Arendina Nieuwenhof, De Huizen, Hoogeveen, Drenthe, Nederland († 1861)

• Cornelis Vromans (67), Diessen
• Cornelis Antoniusz Vromans (67), Diessen, Hilvarenbeek, North Brabant, Netherlands
• Antonius Johannis Chrisotomus van Hoezel (20), Monster, Westland, Zuid-Holland, Nederland
• Antje Goezinnen (65), Zaandam
• Annigjen Hulsbergen (42), 's-Heerenbroek (Zwollerkerspel), Ov. Nederland
• Alexander Dutré (41), Waasmunster, Oost-Vlaanderen, Belgium
• Anna Mersmann (73), Gildehaus, Niedersachsen, Germany
• Alexander Franciscus VANNIEUWKERKE (56), Oostkerke-Bij-Brugge,West Vlaanderen,BELGIE
• Antje Goesinnen (65), Zaandam, Noord-Holland, Nederland
• Annigje Hulsbergen (42), Zwollerkerspel, Nederland

• 1851 » Ellen Hayes, American mathematician and astronomer († 1930)
• 1852 » James Carroll Beckwith, American painter and academic († 1917)
• 1852 » William Stewart Halsted, American physician and surgeon († 1922)
• 1853 » Princess Marie Elisabeth of Saxe-Meiningen († 1923)
• 1861 » Robert Bosch, German engineer and businessman, founded Robert Bosch GmbH († 1942)
• 1863 » Mary Church Terrell, American author and activist († 1954)
• 1865 » Emma Orczy, Hungarian-English author and playwright († 1947)
• 1865 » Pekka Halonen, Finnish painter († 1933)
• 1865 » Suzanne Valadon, French model and painter († 1938)
• 1867 » John Lomax, American teacher, musicologist, and folklorist († 1948)

• 1835 » Vincenzo Bellini, Italian composer (b. 1801)
• 1846 » John Ainsworth Horrocks, English-Australian explorer (b. 1818)
• 1850 » José Gervasio Artigas, Uruguayan general and politician (b. 1764)
• 1851 » Émilie Gamelin, Canadian nun, founded the Sisters of Providence (b. 1800)
• 1870 » Prosper Mérimée, French archaeologist and historian (b. 1803)
• 1871 » Louis-Joseph Papineau, Canadian lawyer and politician (b. 1786)
• 1873 » Jean Chacornac, French astronomer (b. 1823)
• 1877 » Urbain Le Verrier, French mathematician and astronomer (b. 1811)
• 1889 » Wilkie Collins, English novelist, short story writer, and playwright (b. 1824)
• 1900 » William Marsh Rice, American businessman, founded Rice University (b. 1816)

• Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• From March 18, 1858 till February 23, 1860 the Netherlands had a cabinet Rochussen - Van Bosse with the prime ministers J.J. Rochussen (conservatief-liberaal) and Mr. P.P. van Bosse (liberaal).
• From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
• The Netherlands had about 3.3 million citizens.
• April 3 » The first successful United States Pony Express run from St. Joseph, Missouri, to Sacramento, California, begins.
• May 18 » Abraham Lincoln wins the Republican Party presidential nomination over William H. Seward, who later becomes the United States Secretary of State.
• June 30 » The 1860 Oxford evolution debate at the Oxford University Museum of Natural History takes place.
• October 17 » First The Open Championship (referred to in North America as the British Open).
• October 26 » The Expedition of the Thousand ends when Giuseppe Garibaldi presents his conquests to King Victor Emmanuel of Sardinia.
• December 20 » South Carolina becomes the first state to attempt to secede from the United States.

The temperature on September 23, 1860 was about 12.1 °C. There was 6 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 96%.