About the day » Wednesday April 25, 1866Calender converter

• Rink Turksma, Zevenhuizen († 1939)
• Hersmis, Berkel-Enschot, Noord-Brabant, Nederland
• Aagje van Vark, Rozenburg, Zuid-Holland, Nederland
• Aaltje Gideonse, Middelburg
• Aaltien Heidemans, Oosterhesselen,Drenthe,Niederlande († 1946)
• Aaltje Gideonse, Middelburg,, Zeeland, Nederland († 1866)
• Aaltje Doets, Oosthuizen, Nederland († 1953)
• Anna Christina Juliana Kraamwinkel, Amsterdam († 1942)
• Adriana Rinske Born, Joure († 1912)
• Aafje Douwsma, Smilde († 1867)

• Adriaan de Mooij (52), Steenbergen, Nederland
• Anna Maria Noordermeer (9), Sassenheim
• Ledel (0), Gaasterland, Friesland, Nederland
• Barbera Antoinette Hermans (83), Maastricht
• Antonie van Elst (3), Lienden, Gelderland, Nederland
• Adriana de Bruin (74), Wateringen, Westland, Zuid-Holland, Nederland
• Albertha Wilhelmina Groothuis (28), Borne, Overijssel, Nederland
• Alberdina van der Woude (0), Harkstede, Slochteren, Groningen, Netherlands
• Amperse (0), Kortgene
• Aldegonda Verheggen, Swalmen

• 1854 » Charles Sumner Tainter, American engineer and inventor († 1940)
• 1862 » Edward Grey, 1st Viscount Grey of Fallodon, English ornithologist and politician, Secretary of State for Foreign and Commonwealth Affairs († 1933)
• 1868 » John Moisant, American pilot and engineer († 1910)
• 1871 » Lorne Currie, French-English sailor († 1926)
• 1872 » C. B. Fry, English cricketer, footballer, educator, and politician († 1956)
• 1873 » Howard Garis, American author, creator of the Uncle Wiggily series of children's stories († 1962)
• 1873 » Walter de la Mare, English poet, short story writer, and novelist († 1956)
• 1874 » Ernest Webb, English-Canadian race walker († 1937)
• 1874 » Guglielmo Marconi, Italian businessman and inventor, developed Marconi's law, Nobel Prize laureate († 1937)
• 1876 » Jacob Nicol, Canadian publisher, lawyer, and politician († 1958)

• 1840 » Siméon Denis Poisson, French mathematician and physicist (b. 1781)
• 1873 » Fyodor Petrovich Tolstoy, Russian painter and sculptor (b. 1783)
• 1875 » 12th Dalai Lama (b. 1857)
• 1878 » Anna Sewell, English author (b. 1820)
• 1890 » Crowfoot, Canadian tribal chief (b. 1830)
• 1891 » Nathaniel Woodard, English priest and educator (b. 1811)
• 1892 » Henri Duveyrier, French explorer (b. 1840)
• 1892 » Karl von Ditmar, Estonian-German geologist and explorer (b. 1822)
• 1906 » John Knowles Paine, American composer and educator (b. 1839)
• 1911 » Emilio Salgari, Italian journalist and author (b. 1862)

• 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.
• February 16 » Spencer Compton Cavendish, Marquess of Hartington becomes British Secretary of State for War.
• May 22 » Oliver Winchester founded the Winchester Repeating Arms
• July 3 » Austro-Prussian War is decided at the Battle of Königgrätz, resulting in Prussia taking over as the prominent German nation from Austria.
• July 28 » At the age of 18, Vinnie Ream becomes the first and youngest female artist to receive a commission from the United States government for a statue (of Abraham Lincoln).
• August 23 » Austro-Prussian War ends with the Treaty of Prague.

The temperature on April 25, 1866 was about 19.5 °C. The air pressure was 2 kgf/m² and came mainly from the east-southeast. The airpressure was 77 cm mercury. The atmospheric humidity was 26%.