The temperature on January 23, 1870 was about 0.7 °C. There was 0.1 mm of rain. The air pressure was 5 kgf/m2 and came mainly from the northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 88%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
February 3 » The Fifteenth Amendment to the United States Constitution is ratified, guaranteeing voting rights to male citizens regardless of race.
July 1 » The United States Department of Justice formally comes into existence.
August 6 » Franco-Prussian War: The Battle of Spicheren is fought, resulting in a Prussian victory.
August 6 » Franco-Prussian War: The Battle of Wörth results in a decisive Prussian victory.
August 18 » Franco-Prussian War: Battle of Gravelotte is fought.
October 7 » Franco-Prussian War: Léon Gambetta escapes the siege of Paris in a hot-air balloon.
Day of marriage March 17, 1909
The temperature on March 17, 1909 was between -4.0 °C and 1.2 °C and averaged -1.5 °C. There was 0.7 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
May 13 » The first Giro d'Italia starts from Milan. Italian cyclist Luigi Ganna will be the winner.
July 16 » Persian Constitutional Revolution: Mohammad Ali Shah Qajar is forced out as Shah of Persia and is replaced by his son Ahmad Shah Qajar.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
December 10 » Selma Lagerlöf becomes the first female writer to win the Nobel Prize in Literature.
Day of death January 8, 1918
The temperature on January 8, 1918 was between -4.5 °C and 1.2 °C and averaged -2.4 °C. There was 1.3 mm of rain. There was 1.8 hours of sunshine (23%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
January 26 » Finnish Civil War: A group of Red Guards hangs a red lantern atop the tower of Helsinki Workers' Hall to symbolically mark the start of the war.
March 30 » Outburst of bloody March Events in Baku and other locations of Baku Governorate.
July 26 » Emmy Noether's paper, which became known as Noether's theorem was presented at Göttingen, Germany, from which conservation laws are deduced for symmetries of angular momentum, linear momentum, and energy.
August 27 » Mexican Revolution: Battle of Ambos Nogales: U.S. Army forces skirmish against Mexican Carrancistas in the only battle of World War I fought on American soil.
September 28 » World War I: The Fifth Battle of Ypres begins.
November 27 » The Free Territory of Ukraine is established in Huliaipole.
When copying data from this family tree, please include a reference to the origin: Greetje Medema, "Family tree Koch", database, Genealogy Online (https://www.genealogieonline.nl/koch-stamboom/I709.php : accessed March 17, 2026), "Willem Frederik Alexander Gros (1870-1918)".
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