The temperature on April 13, 1975 was between 4.4 °C and 11.8 °C and averaged 8.2 °C. There was -0.1 mm of rain. There was 0.1 hours of sunshine (1%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-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.
April 4 » Microsoft is founded as a partnership between Bill Gates and Paul Allen in Albuquerque, New Mexico.
April 4 » Vietnam War: A United States Air Force Lockheed C-5A Galaxy transporting orphans, crashes near Saigon, South Vietnam shortly after takeoff, killing 172 people.
June 24 » Eastern Air Lines Flight 66 encounters severe wind shear and crashes on final approach to New York's JFK Airport killing 113 of the 124 passengers on board, making it the deadliest U.S. plane crash at the time. This accident led to decades of research into downburst and microburst phenomena and their effects on aircraft.
July 12 » São Tomé and Príncipe declare independence from Portugal.
September 14 » The first American saint, Elizabeth Ann Seton, is canonized by Pope Paul VI.
September 16 » Papua New Guinea gains independence from Australia.
When copying data from this family tree, please include a reference to the origin: Daniel D, "GJ Tree", database, Genealogy Online (https://www.genealogieonline.nl/gj-tree/R549.php : accessed January 2, 2026), "Bezalel Isaacson (1905-1975)".
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