The temperature on December 12, 1871 was about 0.5 °C. The air pressure was 4 kgf/m2 and came mainly from the southwest. The atmospheric humidity was 100%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
In The Netherlands , there was from January 4, 1871 to July 6, 1872 the cabinet Thorbecke III, with Mr. J.R. Thorbecke (liberaal) as prime minister.
March 26 » The elections of Commune council of the Paris Commune are held.
April 30 » The Camp Grant massacre takes place in Arizona Territory.
July 30 » The Staten Island Ferry Westfield's boiler explodes, killing over 85 people.
August 29 » Emperor Meiji orders the abolition of the han system and the establishment of prefectures as local centers of administration. (Traditional Japanese date: July 14, 1871).
September 28 » The Brazilian Parliament passes a law that frees all children thereafter born to slaves, and all government-owned slaves.
December 26 » Thespis, the first Gilbert and Sullivan collaboration, debuts. It does modestly well, but the two would not collaborate again for four years and the score has been lost.
Day of death April 11, 1947
The temperature on April 11, 1947 was between -1.4 °C and 14.5 °C and averaged 7.0 °C. There was 10.5 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 22 » KTLA, the first commercial television station west of the Mississippi River, begins operation in Hollywood.
February 21 » In New York City, Edwin Land demonstrates the first "instant camera", the Polaroid Land Camera, to a meeting of the Optical Society of America.
March 29 » Malagasy Uprising against French colonial rule in Madagascar.
April 30 » In Nevada, Boulder Dam is renamed Hoover Dam.
November 13 » The Soviet Union completes development of the AK-47, one of the first proper assault rifles.
November 20 » The Princess Elizabeth marries Lieutenant Philip Mountbatten, who becomes the Duke of Edinburgh, at Westminster Abbey in London.
When copying data from this family tree, please include a reference to the origin: H. Grevinga, "Family tree Grevinga", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-grevinga/I2178.php : accessed January 6, 2026), "gerritdina johanna koers (1871-1947)".
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