The temperature on February 7, 1876 was about -0.2 °C. The air pressure was 10 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 73%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
March 7 » Alexander Graham Bell is granted a patent for an invention he calls the "telephone".
May 10 » The Centennial Exposition is opened in Philadelphia.
May 30 » Ottoman sultan Abdülaziz is deposed and succeeded by his nephew Murad V.
July 8 » The Hamburg massacre prior to the 1876 United States presidential election results in the deaths of six African-Americans of the Republican Party, along with one white assailant.
September 7 » In Northfield, Minnesota, Jesse James and the James–Younger Gang attempt to rob the town's bank but are driven off by armed citizens.
December 23 » First day of the Constantinople Conference which resulted in agreement for political reforms in the Balkans.
Day of marriage August 25, 1897
The temperature on August 25, 1897 was about 18.2 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 67%. Source: KNMI
January 31 » Czechoslav Trade Union Association is founded in Prague.
April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
Day of death November 9, 1928
The temperature on November 9, 1928 was between -2.8 °C and 8.1 °C and averaged 3.9 °C. There was 8.0 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
May 3 » The Jinan incident begins with the deaths of twelve Japanese civilians by Chinese forces in Jinan, China, which leads to Japanese retaliation and the deaths of over 2,000 Chinese civilians in the following days.
June 8 » Second Northern Expedition: The National Revolutionary Army captures Peking, whose name is changed to Beijing ("Northern Capital").
October 1 » The Soviet Union introduces its first five-year plan.
October 2 » The "Prelature of the Holy Cross and the Work of God", commonly known as Opus Dei, is founded.
October 28 » The "Indonesia Raya", now the national anthem, is first played during the Second Indonesian Youth Congress.
December 13 » George Gershwin's An American in Paris is first performed.
When copying data from this family tree, please include a reference to the origin: Hildo Onstenk, "Family tree Onstenk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-onstenk/X95.php : accessed March 4, 2026), "Christina Geertruida Maria Onstenk (1876-1928)".
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