March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
March 16 » Sir Arthur Evans purchased the land around the ruins of Knossos, the largest Bronze Age archaeological site on Crete.
May 17 » Second Boer War: British troops relieve Mafeking.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
July 9 » The Federation of Australia is given royal assent.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
Day of death September 20, 1975
The temperature on September 20, 1975 was between 9.6 °C and 21.3 °C and averaged 15.6 °C. There was -0.1 mm of rain. There was 3.3 hours of sunshine (27%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
July 5 » Arthur Ashe becomes the first black man to win the Wimbledon singles title.
July 30 » Jimmy Hoffa disappears from the parking lot of the Machus Red Fox restaurant in Bloomfield Hills, Michigan, a suburb of Detroit, at about 2:30p.m. He is never seen or heard from again.
August 3 » A privately chartered Boeing 707 strikes a mountain peak and crashes near Agadir, Morocco, killing 188.
September 5 » Sacramento, California: Lynette Fromme attempts to assassinate U.S. President Gerald Ford.
September 8 » Gays in the military: US Air Force Tech Sergeant Leonard Matlovich, a decorated veteran of the Vietnam War, appears in his Air Force uniform on the cover of Time magazine with the headline "I Am A Homosexual". He is given a general discharge, later upgraded to honorable.
December 29 » A bomb explodes at LaGuardia Airport in New York City, killing 11 people and injuring 74.
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/I81020.php : accessed September 28, 2026), "Haye van der Veer (1900-1975)".
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