The temperature on November 16, 1912 was between 5.7 °C and 8.6 °C and averaged 7.3 °C. There was 0.5 mm of rain. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
March 6 » Italo-Turkish War: Italian forces become the first to use airships in war, as two dirigibles drop bombs on Turkish troops encamped at Janzur, from an altitude of 6,000 feet.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
May 13 » The Royal Flying Corps, the forerunner of the Royal Air Force, is established in the United Kingdom.
August 6 » The Bull Moose Party meets at the Chicago Coliseum.
October 7 » The Helsinki Stock Exchange sees its first transaction.
Day of marriage May 20, 1938
The temperature on May 20, 1938 was between 2.3 °C and 13.7 °C and averaged 8.6 °C. There was 0.1 mm of rain during 0.1 hours. There was 5.6 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 3 » The March of Dimes is established as a foundation to combat infant polio by President Franklin D. Roosevelt.
May 26 » In the United States, the House Un-American Activities Committee begins its first session.
June 7 » The Douglas DC-4E makes its first test flight.
July 20 » The United States Department of Justice files suit in New York City against the motion picture industry charging violations of the Sherman Antitrust Act in regards to the studio system. The case would eventually result in a break-up of the industry in 1948.
October 1 » Germany annexes the Sudetenland.
October 5 » In Nazi Germany, Jews' passports are invalidated.
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/I140103.php : accessed October 22, 2026), "Egbert Klaas Kooistra (1912-)".
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