The temperature on November 10, 1889 was about 9.1 °C. The air pressure was 2 kgf/m2 and came mainly from the northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 100%. Source: KNMI
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
March 31 » The Eiffel Tower is officially opened.
July 11 » Tijuana, Mexico, is founded.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
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 October 4, 1962
The temperature on October 4, 1962 was between 6.8 °C and 15.5 °C and averaged 13.2 °C. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
March 4 » A Caledonian Airways Douglas DC-7 crashes shortly after takeoff from Cameroon, killing 111 - the worst crash of a DC-7.
July 5 » The official independence of Algeria is proclaimed after an 8-year-long war with France.
July 9 » Starfish Prime tests the effects of a nuclear test at orbital altitudes.
September 12 » President Kennedy delivers his "We choose to go to the Moon" speech at Rice University.
November 4 » The United States concludes Operation Fishbowl, its final above-ground nuclear weapons testing series, in anticipation of the 1963 Partial Nuclear Test Ban Treaty.
December 9 » The Petrified Forest National Park is established in Arizona.
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/I76610.php : accessed October 23, 2026), "Heinze de Boer (1889-1962)".
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