January 31 » Czechoslav Trade Union Association is founded in Prague.
February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
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.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
Day of marriage April 24, 1918
The temperature on April 24, 1918 was between 7.5 °C and 20.5 °C and averaged 13.3 °C. There was 6.9 hours of sunshine (48%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
April 1 » The Royal Air Force is created by the merger of the Royal Flying Corps and the Royal Naval Air Service.
July 4 » Bolsheviks kill Tsar Nicholas II of Russia and his family (Julian calendar date).
August 17 » Bolshevik revolutionary leader Moisei Uritsky is assassinated.
October 9 » The Finnish Parliament offers to Prince Frederick Charles of Hesse the throne of a short-lived Kingdom of Finland.
October 26 » Erich Ludendorff, quartermaster-general of the Imperial German Army, is dismissed by Kaiser Wilhelm II for refusing to cooperate in peace negotiations.
November 4 » World War I: The Armistice of Villa Giusti between Italy and Austria-Hungary is implemented.
When copying data from this family tree, please include a reference to the origin: Coos van Spijk, "Family tree of Spijk and her many ancestors", database, Genealogy Online (https://www.genealogieonline.nl/van-spijk-stamboom/I93997.php : accessed March 1, 2026), "Cornelia van der Harst (1897-????)".
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