The temperature on September 17, 1880 was about 12.8 °C. There was 0.8 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the south-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 96%. 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 13 » Thomas Edison observes Thermionic emission.
May 11 » Seven people are killed in the Mussel Slough Tragedy, a gun battle in California.
May 13 » In Menlo Park, New Jersey, Thomas Edison performs the first test of his electric railway.
June 7 » War of the Pacific: The Battle of Arica, the assault and capture of Morro de Arica (Arica Cape), ends the Campaña del Desierto (Desert Campaign).
July 27 » Second Anglo-Afghan War: Battle of Maiwand: Afghan forces led by Mohammad Ayub Khan defeat the British Army in battle near Maiwand, Afghanistan.
September 16 » The Cornell Daily Sun prints its first issue in Ithaca, New York. The Sun is the United States' oldest, continuously-independent college daily.
Day of marriage February 11, 1915
The temperature on February 11, 1915 was between -0.3 °C and 4.9 °C and averaged 2.8 °C. There was 3.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 19 » German strategic bombing during World War I: German zeppelins bomb the towns of Great Yarmouth and King's Lynn in the United Kingdom killing at least 20 people, in the first major aerial bombardment of a civilian target.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
April 5 » Boxing challenger Jess Willard knocks out Jack Johnson in Havana, Cuba to become the Heavyweight Champion of the World.
July 16 » Henry James becomes a British citizen to highlight his commitment to Britain during the first World War.
September 12 » French soldiers rescue over 4,000 Armenian Genocide survivors stranded on Musa Dagh.
September 25 » World War I: The Second Battle of Champagne begins.
Day of death July 26, 1931
The temperature on July 26, 1931 was between 13.9 °C and 18.5 °C and averaged 15.7 °C. There was 10.1 mm of rain during 5.2 hours. There was -0.1 hours of sunshine (0%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
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/I43408.php : accessed October 8, 2026), "Johannes de Boer (1880-1931)".
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