The temperature on July 25, 1910 was between 11.1 °C and 16.7 °C and averaged 13.7 °C. There was 30.6 mm of rain. There was 1.6 hours of sunshine (10%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. Source: KNMI
May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
September 26 » Indian journalist Swadeshabhimani Ramakrishna Pillai is arrested after publishing criticism of the government of Travancore and is exiled.
November 20 » Mexican Revolution: Francisco I. Madero issues the Plan de San Luis Potosí, denouncing Mexican President Porfirio Díaz, calling for a revolution to overthrow the government of Mexico, effectively starting the Mexican Revolution.
Day of death October 19, 1971
The temperature on October 19, 1971 was between 11.8 °C and 18.4 °C and averaged 15.3 °C. There was 4.8 mm of rain during 3.4 hours. There was 1.0 hours of sunshine (10%). The heavily clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
March 1 » President of Pakistan Yahya Khan indefinitely postpones the pending national assembly session, precipitating massive civil disobedience in East Pakistan.
April 1 » Bangladesh Liberation War: The Pakistan Army massacre over 1,000 people in Keraniganj Upazila, Bangladesh.
August 22 » J. Edgar Hoover and John Mitchell announce the arrest of 20 of the Camden 28.
October 21 » A gas explosion kills 22 people at a shopping centre near Glasgow, Scotland.
December 9 » Indo-Pakistani War: The Indian Air Force executes an airdrop of Indian Army units, bypassing Pakistani defences.
December 14 » Bangladesh Liberation War: Over 200 of East Pakistan's intellectuals are executed by the Pakistan Army and their local allies. (The date is commemorated in Bangladesh as Martyred Intellectuals Day.)
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/I142614.php : accessed February 19, 2026), "Herman Johan Boon (1910-1971)".
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