The temperature on April 11, 1880 was about 9.9 °C. The air pressure was 4 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 45%. 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 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).
June 24 » First performance of O Canada at the Congrès national des Canadiens-Français. The song would later become the national anthem of Canada.
September 1 » The army of Mohammad Ayub Khan is routed by the British at the Battle of Kandahar, ending the Second Anglo-Afghan War.
December 16 » Outbreak of the First Boer War between the Boer South African Republic and the British Empire.
Day of death April 2, 1954
The temperature on April 2, 1954 was between 1.5 °C and 10.2 °C and averaged 7.2 °C. There was 5.9 mm of rain during 5.5 hours. The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 15 » Canada and the United States agree to construct the Distant Early Warning Line, a system of radar stations in the far northern Arctic regions of Canada and Alaska.
April 8 » A Royal Canadian Air Force Canadair Harvard collides with a Trans-Canada Airlines Canadair North Star over Moose Jaw, Saskatchewan, killing 37 people.
April 22 » Red Scare: Witnesses begin testifying and live television coverage of the Army–McCarthy hearings begins.
July 20 » Germany: Otto John, head of West Germany's secret service, defects to East Germany.
November 12 » Ellis Island ceased operations.
November 27 » Alger Hiss is released from prison after serving 44 months for perjury.
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/I63471.php : accessed December 27, 2025), "Ruurd van der Kooy (1880-1954)".
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