The temperature on June 21, 1869 was about 10.0 °C. The air pressure was 1 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 86%. 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).
February 27 » King George I of Greece survives an assassination attempt.
April 22 » Spanish–American War: The USSNashville captures a Spanish merchant ship.
June 13 » Yukon Territory is formed, with Dawson chosen as its capital.
July 25 » Spanish-American War: The American invasion of Spanish-held Puerto Rico begins, as United States Army troops under General Nelson A. Miles land and secure the port at Guánica.
September 13 » Hannibal Goodwin patents celluloid photographic film.
October 6 » Phi Mu Alpha Sinfonia, the largest American music fraternity, is founded at the New England Conservatory of Music.
Day of death September 23, 1952
The temperature on September 23, 1952 was between 11.7 °C and 17.8 °C and averaged 14.7 °C. There was 3.8 hours of sunshine (31%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 15 » King George VI of the United Kingdom is buried in St George's Chapel, Windsor Castle.
March 10 » Fulgencio Batista leads a successful coup in Cuba.
May 3 » The Kentucky Derby is televised nationally for the first time, on the CBS network.
July 21 » The 7.3 Mw Kern County earthquake strikes Southern California with a maximum Mercalli intensity of XI (Extreme), killing 12 and injuring hundreds.
September 15 » The United Nations cedes Eritrea to Ethiopia.
December 5 » Beginning of the Great Smog in London. A cold fog combines with air pollution and brings the city to a standstill for four days. Later, a Ministry of Health report estimates 4,000 fatalities as a result of it.
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/I142407.php : accessed October 25, 2026), "Sjoukje Heidsma (1869-1952)".
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