January 4 » Utah is admitted as the 45th U.S. state.
January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
May 27 » The F4-strength St. Louis–East St. Louis tornado hits in St. Louis, Missouri, and East St. Louis, Illinois, killing at least 255 people and causing over $10-million in damage.
July 28 » The city of Miami, Florida is incorporated.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
December 30 » Canadian ice hockey player Ernie McLea scores the first hat-trick in Stanley Cup play, and the Cup-winning goal as the Montreal Victorias defeat the Winnipeg Victorias 6–5.
Day of marriage July 26, 1921
The temperature on July 26, 1921 was between 12.7 °C and 25.4 °C and averaged 19.6 °C. There was 12.7 hours of sunshine (80%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
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 16 » The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa.
March 8 » Spanish Prime Minister Eduardo Dato Iradier is assassinated while exiting the parliament building in Madrid.
March 18 » The Kronstadt rebellion is suppressed by the Red Army.
May 8 » The creation of the Communist Party of Romania.
September 7 » The Legion of Mary, the largest apostolic organization of lay people in the Catholic Church, is founded in Dublin, Ireland.
October 21 » President Warren G. Harding delivers the first speech by a sitting U.S. President against lynching in the deep South.
Day of death July 1, 1937
The temperature on July 1, 1937 was between 11.9 °C and 19.7 °C and averaged 16.3 °C. There was 9.8 mm of rain during 5.3 hours. There was 0.6 hours of sunshine (4%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
May 6 » Hindenburg disaster: The German zeppelin Hindenburg catches fire and is destroyed within a minute while attempting to dock at Lakehurst, New Jersey. Thirty-six people are killed.
May 27 » In California, the Golden Gate Bridge opens to pedestrian traffic, creating a vital link between San Francisco and Marin County, California.
September 5 » Spanish Civil War: Llanes falls to the Nationalists following a one-day siege.
December 22 » The Lincoln Tunnel opens to traffic in New York City.
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/I97089.php : accessed February 8, 2026), "Aart Middeldorp (1896-1937)".
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