June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
December 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
Day of marriage December 24, 1930
The temperature on December 24, 1930 was between -2.6 °C and 1.3 °C and averaged -0.6 °C. There was 2.3 mm of rain during 4.2 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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.
April 6 » At the end of the Salt March, Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire."
May 1 » "Pluto" is officially proposed for the name of the newly-discovered dwarf planet Pluto by Vesto Slipher in the Lowell Observatory Observation Circular. The name quickly catches on.
May 27 » The 1,046 feet (319m) Chrysler Building in New York City, the tallest man-made structure at the time, opens to the public.
June 1 » The Deccan Queen is introduced as first intercity train between Bombay VT (Now Mumbai CST) and Poona (Pune) to run on electric locomotives.
September 6 » Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup.
October 3 » The German Socialist Labour Party in Poland – Left is founded.
When copying data from this family tree, please include a reference to the origin: E.A. Harmsen, "Family tree Harmsen-de Vries", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-harmsen-de-vries/I29346.php : accessed May 4, 2024), "Barend Johannes Laven (1896-????)".
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