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.
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.
August 14 » Construction of Cologne Cathedral, the most famous landmark in Cologne, Germany, is completed.
September 1 » The army of Mohammad Ayub Khan is routed by the British at the Battle of Kandahar, ending the Second Anglo-Afghan War.
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.
November 11 » Australian bushranger Ned Kelly is hanged at Melbourne Gaol.
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.
March 20 » Albert Einstein publishes his general theory of relativity.
March 26 » The Vancouver Millionaires win the 1915 Stanley Cup Finals, the first championship played between the Pacific Coast Hockey Association and the National Hockey Association.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
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.
March 23 » Bhagat Singh, Shivaram Rajguru and Sukhdev Thapar are hanged for the killing of a deputy superintendent of police during the Indian independence movement.
March 31 » A Transcontinental & Western Air airliner crashes near Bazaar, Kansas, killing eight, including University of Notre Dame head football coach Knute Rockne.
May 29 » Michele Schirru, a citizen of the United States, is executed by Italian military firing squad for intent to kill Benito Mussolini.
September 18 » The Mukden Incident gives Japan a pretext to invade and occupy Manchuria.
October 1 » Clara Campoamor persuades the Constituent Cortes to enfranchise women in Spain's new constitution.
December 9 » The Constituent Cortes approves a constitution which establishes the Second Spanish Republic.
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 February 12, 2026), "Johannes de Boer (1880-1931)".
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