The temperature on July 15, 1889 was about 13.3 °C. There was 8 mm of rain. The air pressure was 6 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 98%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
July 8 » The first issue of The Wall Street Journal is published.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
November 15 » Brazil is declared a republic by Marshal Deodoro da Fonseca as Emperor Pedro II is deposed in a military coup.
Day of death March 10, 1964
The temperature on March 10, 1964 was between -5.7 and 7.6 °C. There was 8.2 hours of sunshine (72%). The average windspeed was 1 Bft (weak wind) and was prevailing from the west. Source: KNMI
July 31 » Ranger program: Ranger 7 sends back the first close-up photographs of the moon, with images 1,000 times clearer than anything ever seen from earth-bound telescopes.
August 4 » Second Gulf of Tonkin Incident: U.S. destroyers USSMaddox and USSTurner Joy mistakenly report coming under attack in the Gulf of Tonkin.
September 21 » Malta gains independence from the United Kingdom, but remains in the Commonwealth.
September 25 » The Mozambican War of Independence against Portugal begins.
October 12 » The Soviet Union launches the Voskhod 1 into Earth orbit as the first spacecraft with a multi-person crew, and the first flight without pressure suits.
October 27 » Ronald Reagan delivers a speech on behalf of the Republican candidate for president, Barry Goldwater. The speech launches his political career and comes to be known as "A Time for Choosing".
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/I213189.php : accessed October 24, 2026), "Pieter van der Ploeg (1889-1964)".
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