The temperature on April 23, 1937 was between 3.9 °C and 12.5 °C and averaged 8.9 °C. There was 1.0 hours of sunshine (7%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
April 30 » The Commonwealth of the Philippines holds a plebiscite for Filipino women on whether they should be extended the right to suffrage; over 90% would vote in the affirmative.
May 21 » A Soviet station, North Pole-1, becomes the first scientific research settlement to operate on the drift ice of the Arctic Ocean.
June 14 » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
June 15 » A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.
August 13 » Second Sino-Japanese War: The Battle of Shanghai begins.
Day of death November 3, 1999
The temperature on November 3, 1999 was between 1.6 °C and 13.7 °C and averaged 8.6 °C. There was 5.3 hours of sunshine (56%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
January 25 » A 6.0 magnitude earthquake hits western Colombia killing at least 1,000.
April 12 » United States President Bill Clinton is cited for contempt of court for giving "intentionally false statements" in a civil lawsuit; he is later fined and disbarred.
May 29 » Space Shuttle Discovery completes the first docking with the International Space Station.
September 7 » The 6.0 Mw Athens earthquake affected the area with a maximum Mercalli intensity of IX (Violent), killing 143, injuring 800–1,600, and leaving 50,000 homeless.
October 22 » Maurice Papon, an official in the Vichy France government during World War II, is jailed for crimes against humanity.
November 19 » Shenzhou 1: The People's Republic of China launches its first Shenzhou spacecraft.
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/I190679.php : accessed October 25, 2026), "Klaas Hamstra (1937-1999)".
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