The temperature on April 28, 1870 was about 7.4 °C. There was 0.3 mm of rain. The air pressure was 14 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 60%. 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 3 » The Fifteenth Amendment to the United States Constitution is ratified, guaranteeing voting rights to male citizens regardless of race.
February 15 » Stevens Institute of Technology is founded in New Jersey, USA and offers the first Bachelor of Engineering degree in Mechanical Engineering.
July 19 » Franco-Prussian War: France declares war on Prussia.
September 1 » Franco-Prussian War: The Battle of Sedan is fought, resulting in a decisive Prussian victory.
October 2 » A plebiscite held in Rome, supports annexation of city of Rome by the Kingdom of Italy.
October 27 » Franco-Prussian War: Marshal Bazaine surrenders to Prussian forces at the conclusion of the Siege of Metz along with 140,000 French soldiers.
Day of marriage May 17, 1900
The temperature on May 17, 1900 was about 13.0 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 62%. Source: KNMI
January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
February 27 » The British Labour Party is founded.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of death May 27, 1942
The temperature on May 27, 1942 was between 9.5 °C and 18.8 °C and averaged 14.7 °C. There was 0.2 mm of rain during 0.2 hours. There was 6.7 hours of sunshine (41%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 13 » World War II: First use of an aircraft ejection seat by a German test pilot in a Heinkel He 280 jet fighter.
January 25 » World War II: Thailand declares war on the United States and United Kingdom.
April 17 » French prisoner of war General Henri Giraud escapes from his castle prison in Königstein Fortress.
May 15 » World War II: In the United States, a bill creating the Women's Army Auxiliary Corps (WAAC) is signed into law.
August 13 » Major General Eugene Reybold of the U.S. Army Corps of Engineers authorizes the construction of facilities that would house the "Development of Substitute Materials" project, better known as the Manhattan Project.
December 4 » World War II: Carlson's patrol during the Guadalcanal Campaign ends.
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/I196437.php : accessed October 19, 2026), "Jelske Poortinga (1870-1942)".
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