The temperature on September 29, 1880 was about 17.2 °C. The air pressure was 1 kgf/m2 and came mainly from the north. The airpressure was 77 cm mercury. The atmospheric humidity was 68%. 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.
May 13 » In Menlo Park, New Jersey, Thomas Edison performs the first test of his electric railway.
June 24 » First performance of O Canada at the Congrès national des Canadiens-Français. The song would later become the national anthem of Canada.
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 16 » The Cornell Daily Sun prints its first issue in Ithaca, New York. The Sun is the United States' oldest, continuously-independent college daily.
December 16 » Outbreak of the First Boer War between the Boer South African Republic and the British Empire.
Day of death May 12, 1962
The temperature on May 12, 1962 was between 7.6 °C and 11.6 °C and averaged 9.4 °C. There was 3.8 mm of rain during 2.7 hours. There was 0.2 hours of sunshine (1%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
March 29 » Arturo Frondizi, the president of Argentina, is overthrown in a military coup by Argentina's armed forces, ending an 11⁄2 day constitutional crisis.
May 22 » Continental Airlines Flight 11 crashes after bombs explode on board.
July 2 » The first Walmart store, then known as Wal-Mart, opens for business in Rogers, Arkansas.
July 11 » First transatlantic satellite television transmission.
August 11 » Vostok 3 launches from the Baikonur Cosmodrome and cosmonaut Andrian Nikolayev becomes the first person to float in microgravity.
October 27 » An aircraft carrying Enrico Mattei, post-war Italian administrator, crashes in mysterious circumstances.
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/I188243.php : accessed March 1, 2026), "Hemmechien Kokmeyer (1880-1962)".
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