January 10 » The first great Texas oil gusher is discovered at Spindletop in Beaumont, Texas.
January 22 » Edward VII is proclaimed King after the death of his mother, Queen Victoria.
April 25 » New York becomes the first U.S. state to require automobile license plates.
May 3 » The Great Fire of 1901 begins in Jacksonville, Florida.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
December 3 » In a State of the Union message, U.S. President Theodore Roosevelt delivers a 20,000-word speech to the House of Representatives asking Congress to curb the power of trusts "within reasonable limits".
Day of marriage April 7, 1927
The temperature on April 7, 1927 was between 3.7 °C and 9.9 °C and averaged 6.5 °C. There was 22.6 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
March 29 » Sunbeam 1000hp breaks the land speed record at Daytona Beach, Florida.
July 4 » First flight of the Lockheed Vega.
July 15 » Massacre of July 15, 1927: Eighty-nine protesters are killed by the Austrian police in Vienna.
August 16 » The Dole Air Race begins from Oakland, California, to Honolulu, Hawaii, during which six out of the eight participating planes crash or disappear.
August 23 » Italian anarchists Sacco and Vanzetti are executed after a lengthy, controversial trial.
Day of death May 7, 1936
The temperature on May 7, 1936 was between 10.8 °C and 17.7 °C and averaged 13.4 °C. There was 1.0 hours of sunshine (7%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Alle Elbers, "Sluzigers (e.a.)", database, Genealogy Online (https://www.genealogieonline.nl/sluzigers/I135416.php : accessed December 29, 2025), "Willempje ten Klooster (1901-1936)".
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