March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
July 11 » Fiat founded by Giovanni Agnelli in Turin, Italy.
November 28 » The Second Boer War: a British column is engaged by Boer forces at the Battle of Modder River; although the Boers withdraw, the British suffer heavy casualties.
December 11 » Second Boer War: In the Battle of Magersfontein the Boers commanded by general Piet Cronjé inflict a defeat on the forces of the British Empire commanded by Lord Methuen trying to relieve the Siege of Kimberley.
Day of marriage April 28, 1925
The average temperature on April 28, 1925 was 6.2 °C. There was 9.6 mm of rain. There was 2.4 hours of sunshine (16%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
May 30 » May Thirtieth Movement: Shanghai Municipal Police Force shoot and kill 13 protesting workers.
July 18 » Adolf Hitler publishes Mein Kampf.
July 21 » Scopes Trial: In Dayton, Tennessee, high school biology teacher John T. Scopes is found guilty of teaching human evolution in class and fined $100.
September 3 » USSShenandoah, the United States' first American-built rigid airship, was destroyed in a squall line over Noble County, Ohio. Fourteen of her 42-man crew perished, including her commander, Zachary Lansdowne.
November 5 » Secret agent Sidney Reilly, the first "super-spy" of the 20th century, is executed by the OGPU, the secret police of the Soviet Union.
November 28 » The Grand Ole Opry begins broadcasting in Nashville, Tennessee, as the WSM Barn Dance.
Day of death October 7, 1970
The temperature on October 7, 1970 was between 7.6 °C and 13.5 °C and averaged 10.9 °C. There was 0.1 mm of rain during 0.2 hours. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
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/I101502.php : accessed October 16, 2026), "Pieter de Boer (1899-1970)".
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