The temperature on August 15, 1875 was about 22.0 °C. The air pressure was 2 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 74%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
January 30 » The first Anglo-Japanese Alliance is signed in London.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
April 20 » Pierre and Marie Curie refine radium chloride.
June 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of death March 15, 1943
The temperature on March 15, 1943 was between -0.4 °C and 14.0 °C and averaged 6.0 °C. There was 8.7 hours of sunshine (74%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 15 » World War II: The Soviet counter-offensive at Voronezh begins.
July 25 » World War II: Benito Mussolini is forced out of office by the Grand Council of Fascism and is replaced by Pietro Badoglio.
August 1 » World War II: Operation Tidal Wave also known as "Black Sunday", was a failed American attempt to destroy Romanian oil fields.
October 19 » Streptomycin, the first antibiotic remedy for tuberculosis, is isolated by researchers at Rutgers University.
November 20 » World War II: Battle of Tarawa (Operation Galvanic) begins: United States Marines land on Tarawa Atoll in the Gilbert Islands and suffer heavy fire from Japanese shore guns and machine guns.
November 22 » World War II: Cairo Conference: U.S. President Franklin D. Roosevelt, British Prime Minister Winston Churchill, and Chinese Premier Chiang Kai-shek meet in Cairo, Egypt, to discuss ways to defeat Japan.
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/I104521.php : accessed February 19, 2026), "Jantje de Boer (1875-1943)".
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