The temperature on July 19, 1881 was about 31.1 °C. The air pressure was 1 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 54%. 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.
January 25 » Thomas Edison and Alexander Graham Bell form the Oriental Telephone Company.
March 13 » Alexander II of Russia is assassinated.
April 28 » Billy the Kid escapes from the Lincoln County jail in Mesilla, New Mexico.
June 29 » In Sudan, Muhammad Ahmad declares himself to be the Mahdi, the messianic redeemer of Islam.
October 13 » First known conversation in modern Hebrew by Eliezer Ben-Yehuda and friends.
November 3 » The Mapuche uprising of 1881 begins in Chile.
Day of death August 21, 1926
The temperature on August 21, 1926 was between 16.2 °C and 20.5 °C and averaged 17.5 °C. There was 9.0 mm of rain. There was 0.5 hours of sunshine (3%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
May 4 » The United Kingdom general strike begins.
May 18 » Evangelist Aimee Semple McPherson disappears in Venice, California.
May 22 » Chiang Kai-shek replaces the communists in Kuomintang China.
July 23 » Fox Film buys the patents of the Movietone sound system for recording sound onto film.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
When copying data from this family tree, please include a reference to the origin: Van Knippenberg, "Family tree Van Knippenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-knippenberg/I3908.php : accessed January 18, 2026), "Hendrika Wijbergen (1881-1926)".
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