The temperature on April 13, 1881 was about 10.1 °C. There was 1 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the east. The airpressure was 76 cm mercury. The atmospheric humidity was 92%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
February 16 » The Canadian Pacific Railway is incorporated by Act of Parliament at Ottawa (44th Vic., c.1).
February 24 » China and Russia sign the Sino-Russian Ili Treaty.
May 21 » The American Red Cross is established by Clara Barton in Washington, D.C.
June 28 » The Austro–Serbian Alliance of 1881 is secretly signed.
June 29 » In Sudan, Muhammad Ahmad declares himself to be the Mahdi, the messianic redeemer of Islam.
November 9 » Mapuche rebels attack the fortified Chilean settlement of Temuco.
Day of marriage November 30, 1911
The temperature on November 30, 1911 was between 5.4 °C and 7.9 °C and averaged 6.5 °C. There was 0.2 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
May 15 » More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
November 19 » The Doom Bar in Cornwall claimed two ships, Island Maid and Angele, the latter killing the entire crew except the captain.
Day of death November 26, 1953
The temperature on November 26, 1953 was between 1.0 °C and 6.2 °C and averaged 4.2 °C. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
April 29 » The first U.S. experimental 3D television broadcast showed an episode of Space Patrol on Los Angeles ABC affiliate KECA-TV.
May 29 » Edmund Hillary and Sherpa Tenzing Norgay become the first people to reach the summit of Mount Everest, on Tenzing Norgay's (adopted) 39th birthday.
June 8 » The United States Supreme Court rules in District of Columbia v. John R. Thompson Co. that restaurants in Washington, D.C., cannot refuse to serve black patrons.
July 7 » Ernesto "Che" Guevara sets out on a trip through Bolivia, Peru, Ecuador, Panama, Costa Rica, Nicaragua, Honduras, and El Salvador.
October 1 » A Mutual Defense Treaty Between the United States and the Republic of Korea is concluded in Washington, D.C.
December 6 » Vladimir Nabokov completes his controversial novel Lolita.
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/I109853.php : accessed October 15, 2026), "Klaas de Groot (1881-1953)".
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