The temperature on December 20, 1886 was about -1.1 °C. The air pressure was 12 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 92%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
March 1 » The Anglo-Chinese School, Singapore is founded by Bishop William Oldham.
May 5 » The Bay View massacre: A militia fires into a crowd of protesters in Milwaukee, killing seven.
June 13 » A fire devastates much of Vancouver, British Columbia.
July 3 » Karl Benz officially unveils the Benz Patent-Motorwagen, the first purpose-built automobile.
July 3 » The New-York Tribune becomes the first newspaper to use a linotype machine, eliminating typesetting by hand.
November 14 » Friedrich Soennecken first developed the hole puncher, a type of office tool capable of punching small holes in paper.
Day of death November 29, 1964
The temperature on November 29, 1964 was between -1.6 °C and 4.2 °C and averaged 1.7 °C. There was 9.3 mm of rain during 7.7 hours. There was 0.9 hours of sunshine (11%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
September 21 » Malta gains independence from the United Kingdom, but remains in the Commonwealth.
September 27 » The British TSR-2 aircraft XR219 makes its maiden flight.
October 29 » A collection of irreplaceable gems, including the 565 carat (113 g) Star of India, is stolen by a group of thieves (among them is "Murph the surf") from the American Museum of Natural History in New York City.
October 29 » The United Republic of Tanganyika and Zanzibar is renamed the United Republic of Tanzania.
December 22 » The first test flight of the SR-71 (Blackbird) takes place at Air Force Plant 42 in Palmdale, California, United States.
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/I75419.php : accessed December 26, 2025), "Abele Koopman (1886-1964)".
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