April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of death May 13, 1976
The temperature on May 13, 1976 was between 1.8 °C and 12.1 °C and averaged 8.3 °C. There was 0.7 mm of rain during 0.1 hours. There was 5.9 hours of sunshine (38%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
February 4 » In Guatemala and Honduras an earthquake kills more than 22,000.
February 9 » Aeroflot Flight 3739, a Tupolev Tu-104, crashes during takeoff from Irkutsk Airport, killing 24.
March 24 » In Argentina, the armed forces overthrow the constitutional government of President Isabel Perón and start a 7-year dictatorial period self-styled the National Reorganization Process.
June 5 » The Teton Dam in Idaho, United States, collapses.
September 19 » Two Imperial Iranian Air Force F-4 Phantom II jets fly out to investigate an unidentified flying object, when both independently lose instrumentation and communications as they approach, only to have them restored upon withdrawal.
September 21 » Seychelles joins the United Nations.
When copying data from this family tree, please include a reference to the origin: Nabestaanden Sierd Eizenga , "Family tree Eizenga-Vis", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eizenga-vis/I7367.php : accessed February 23, 2026), "Jitske Hendriks Schievink (1897-1976)".
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