January 23 » Second Boer War: The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces ends in a British defeat.
March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
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.
June 5 » Second Boer War: British soldiers take Pretoria.
June 17 » Boxer Rebellion: Western Allied and Japanese forces capture the Taku Forts in Tianjin, China.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage July 3, 1937
The temperature on July 3, 1937 was between 15.3 °C and 27.3 °C and averaged 21.5 °C. There was 13.7 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 19 » Howard Hughes sets a new air record by flying from Los Angeles to New York City in 7 hours, 28 minutes, 25 seconds.
May 7 » Spanish Civil War: The German Condor Legion, equipped with Heinkel He 51 biplanes, arrives in Spain to assist Francisco Franco's forces.
June 3 » The Duke of Windsor marries Wallis Simpson.
July 26 » Spanish Civil War: End of the Battle of Brunete with the Nationalist victory.
December 16 » Theodore Cole and Ralph Roe attempt to escape from the American federal prison on Alcatraz Island in San Francisco Bay; neither is ever seen again.
December 21 » Snow White and the Seven Dwarfs, the world's first full-length animated feature, premieres at the Carthay Circle Theatre.
When copying data from this family tree, please include a reference to the origin: Herman Wilbrink, "Family tree Wilbrink", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-wilbrink/I11684.php : accessed January 21, 2026), "Hendrikus (Drikus) Kloppers (1900-< )".
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