January 12 » The National Trust is founded in the United Kingdom.
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
May 25 » Playwright, poet and novelist Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to serve two years in prison.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
June 27 » The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.
September 3 » John Brallier becomes the first openly professional American football player, when he was paid US$10 by David Berry, to play for the Latrobe Athletic Association in a 12-0 win over the Jeanette Athletic Association.
Day of marriage May 31, 1923
The temperature on May 31, 1923 was between 8.5 °C and 12.1 °C and averaged 10.1 °C. There was 0.8 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
April 26 » The Duke of York weds Lady Elizabeth Bowes-Lyon at Westminster Abbey.
May 26 » The first 24 Hours of Le Mans was held and has since been run annually in June.
September 4 » Maiden flight of the first U.S. airship, the USSShenandoah.
September 29 » The First American Track & Field championships for women are held.
October 6 » The Turkish National Movement enters Constantinople.
November 11 » Adolf Hitler was arrested in Munich for high treason for his role in the Beer Hall Putsch.
Day of death March 21, 1934
The temperature on March 21, 1934 was between 3.0 °C and 6.9 °C and averaged 5.5 °C. There was 1.1 mm of rain during 1.7 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 26 » German–Polish Non-Aggression Pact is signed.
January 26 » The Apollo Theater reopens in Harlem, New York City.
June 26 » United States President Franklin D. Roosevelt signs the Federal Credit Union Act, which establishes credit unions.
July 20 » Labor unrest in the U.S.: Police in Minneapolis fire upon striking truck drivers, during the Minneapolis Teamsters Strike of 1934, killing two and wounding sixty-seven.
August 11 » The first civilian prisoners arrive at the Federal prison on Alcatraz Island.
August 19 » The German referendum of 1934 approves Hitler's appointment as head of state with the title of Führer.
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/I187929.php : accessed October 25, 2026), "Jan van der Ploeg (1895-1934)".
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