January 22 » Edward VII is proclaimed King after the death of his mother, Queen Victoria.
March 2 » The U.S. Congress passes the Platt Amendment limiting the autonomy of Cuba, as a condition of the withdrawal of American troops.
September 7 » The Boxer Rebellion in Qing dynasty (modern-day China) officially ends with the signing of the Boxer Protocol.
September 17 » Second Boer War: A Boer column defeats a British force at the Battle of Blood River Poort.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
October 24 » Annie Edson Taylor becomes the first person to go over Niagara Falls in a barrel.
Day of death March 23, 1960
The temperature on March 23, 1960 was between -0.8 °C and 15.4 °C and averaged 7.4 °C. There was 0.1 mm of rain. There was 9.8 hours of sunshine (80%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 8 » Queen Elizabeth II of the United Kingdom issues an Order-in-Council, stating that she and her family would be known as the House of Windsor, and that her descendants will take the name Mountbatten-Windsor.
May 11 » Adolf Eichmann is captured by the Mossad in Argentina.
May 16 » Theodore Maiman operates the first optical laser (a ruby laser), at Hughes Research Laboratories in Malibu, California.
May 23 » A tsunami caused by an earthquake in Chile the previous day kills 61 people in Hilo, Hawaii.
July 28 » The German Volkswagen Act came into force.
August 5 » Burkina Faso, then known as Upper Volta, becomes independent from France.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I20362.php : accessed October 5, 2026), "Willem Slouwerhof (1901-1960)".
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