May 1 » The Scofield Mine disaster kills over 200 men in Scofield, Utah in what is to date the fifth-worst mining accident in United States history.
May 17 » The children's novel The Wonderful Wizard of Oz, by L. Frank Baum, is first published in the United States. The first copy is given to the author's sister.
May 23 » American Civil War: Sergeant William Harvey Carney is awarded the Medal of Honor for his heroism in the Assault on the Battery Wagner in 1863.
June 14 » The second German Naval Law calls for the Imperial German Navy to be doubled in size, resulting in an Anglo-German naval arms race.
July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
Day of marriage July 13, 1918
The temperature on July 13, 1918 was between 9.8 °C and 19.4 °C and averaged 15.0 °C. There was 1.2 mm of rain. There was 10.2 hours of sunshine (62%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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 9 » Battle of Bear Valley: The last battle of the American Indian Wars.
March 30 » Outburst of bloody March Events in Baku and other locations of Baku Governorate.
April 8 » World War I: Actors Douglas Fairbanks and Charlie Chaplin sell war bonds on the streets of New York City's financial district.
April 21 » World War I: German fighter ace Manfred von Richthofen, better known as "The Red Baron", is shot down and killed over Vaux-sur-Somme in France.
May 28 » The Azerbaijan Democratic Republic and the First Republic of Armenia declare their independence.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I69587.php : accessed February 16, 2026), "Jan Bruintjes (1900-)".
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