The temperature on August 13, 1911 was between 15.4 °C and 30.6 °C and averaged 23.8 °C. There was 12.7 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 23 » The New York Public Library is dedicated.
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
September 7 » French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
Day of death October 23, 1969
The temperature on October 23, 1969 was between 10.8 °C and 17.4 °C and averaged 13.8 °C. There was 0.2 mm of rain during 0.7 hours. There was 2.4 hours of sunshine (23%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
March 16 » A Viasa McDonnell Douglas DC-9 crashes in Maracaibo, Venezuela, killing 155.
July 21 » Apollo program: At 02:56 UTC, astronaut Neil Armstrong becomes the first person to walk on the Moon.
July 25 » Vietnam War: U.S. President Richard Nixon declares the Nixon Doctrine, stating that the United States now expects its Asian allies to take care of their own military defense. This is the start of the "Vietnamization" of the war.
August 8 » At a zebra crossing in London, photographer Iain Macmillan takes the iconic photo that becomes the cover image of the Beatles' album Abbey Road.
September 5 » My Lai Massacre: U.S. Army Lieutenant William Calley is charged with six specifications of premeditated murder for the death of 109 Vietnamese civilians in My Lai.
December 8 » Olympic Airways Flight 954 strikes a mountain outside of Keratea, Greece, killing 90 people in the worst crash of a Douglas DC-6 in history.
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/I119063.php : accessed October 6, 2026), "Jeltje Hulshoff (1911-1969)".
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