January 10 » The first great Texas oil gusher is discovered at Spindletop in Beaumont, Texas.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
September 2 » Vice President of the United States Theodore Roosevelt utters the famous phrase, "Speak softly and carry a big stick" at the Minnesota State Fair.
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: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
October 24 » Annie Edson Taylor becomes the first person to go over Niagara Falls in a barrel.
Day of marriage July 20, 1931
The temperature on July 20, 1931 was between 9.0 °C and 18.4 °C and averaged 14.1 °C. There was 4.3 mm of rain during 0.8 hours. There was 5.1 hours of sunshine (32%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 26 » Ho Chi Minh Communist Youth Union is founded in Vietnam.
May 7 » The stand-off between criminal Francis Crowley and 300 members of the New York Police Department takes place in his fifth-floor apartment on West 91st Street, New York City.
July 1 » United Airlines begins service (as Boeing Air Transport).
September 30 » Start of "Die Voortrekkers" youth movement for Afrikaners in Bloemfontein, South Africa.
October 21 » A secret society in the Imperial Japanese Army launches an abortive coup d'état attempt.
December 11 » Statute of Westminster 1931: The British Parliament establishes legislative equality between the UK and the Dominions of the Commonwealth—Australia, Canada, Newfoundland, New Zealand, South Africa, and Ireland.
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/I138946.php : accessed October 8, 2026), "Jan Steen (1901-)".
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