The temperature on April 30, 1889 was about 14.0 °C. There was 3 mm of rain. The air pressure was 14 kgf/m2 and came mainly from the east-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 85%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
March 31 » The Eiffel Tower is officially opened.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
July 11 » Tijuana, Mexico, is founded.
Day of death November 14, 1947
The temperature on November 14, 1947 was between 3.3 °C and 9.0 °C and averaged 6.6 °C. There was 22.0 mm of rain during 7.8 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 15 » The Black Dahlia murder: the dismembered corpse of Elizabeth Short was found in Los Angeles.
February 25 » The formal abolition of Prussia is proclaimed by the Allied Control Council, the Prussian government having already been abolished by the Preußenschlag of 1932.
March 17 » First flight of the B-45 Tornado strategic bomber.
April 1 » The only mutiny in the history of the Royal New Zealand Navy begins.
July 6 » Referendum held in Sylhet to decide its fate in the Partition of India.
August 15 » India gains Independence from British rule after near 190 years of British company and crown rule, and joins the Commonwealth of Nations.
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/I188035.php : accessed October 16, 2026), "Tjitte Koopmans (1889-1947)".
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