The temperature on August 17, 1873 was about 20.0 °C. The air pressure was 5 kgf/m2 and came mainly from the west. The airpressure was 77 cm mercury. The atmospheric humidity was 57%. Source: KNMI
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
March 3 » Censorship in the United States: The U.S. Congress enacts the Comstock Law, making it illegal to send any "obscene literature and articles of immoral use" through the mail.
March 22 » The Spanish National Assembly abolishes slavery in Puerto Rico.
April 13 » The Colfax massacre, in which more than 60 black men are murdered, takes place.
May 9 » Der Krach: Vienna stock market crash heralds the Long Depression.
July 21 » At Adair, Iowa, Jesse James and the James–Younger Gang pull off the first successful train robbery in the American Old West.
Day of marriage May 16, 1895
The temperature on May 16, 1895 was about 8.3 °C. There was 2 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 75%. Source: KNMI
February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
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.
October 4 » Horace Rawlins wins the first U.S. Open Men's Golf Championship.
October 22 » In Paris an express train derails after overrunning the buffer stop, crossing almost 30 metres (100ft) of concourse before crashing through a wall and falling 10 metres (33ft) to the road below.
November 28 » The first American automobile race takes place over the 54 miles from Chicago's Jackson Park to Evanston, Illinois. Frank Duryea wins in approximately 10 hours.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of death April 16, 1937
The temperature on April 16, 1937 was between 7.4 °C and 13.6 °C and averaged 9.7 °C. There was 4.5 mm of rain during 4.1 hours. There was 4.2 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
April 1 » Spanish Civil War: Jaén, Spain is bombed by German fascist forces, supporting Francoist Nationalists.
May 21 » A Soviet station, North Pole-1, becomes the first scientific research settlement to operate on the drift ice of the Arctic Ocean.
August 14 » The beginning of air-to-air combat of the Second Sino-Japanese War and World War II in general, when six Japanese bombers are shot down by Chinese fighters while raiding Chinese air bases.
September 10 » Nine nations attend the Nyon Conference to address international piracy in the Mediterranean Sea.
September 21 » J. R. R. Tolkien's The Hobbit is published.
December 9 » Second Sino-Japanese War: Battle of Nanking: Japanese troops under the command of Lt. Gen. Asaka Yasuhiko launch an assault on the Chinese city of Nanjing (Nanking).
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/I59455.php : accessed October 6, 2026), "Anna de Groot (1873-1937)".
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