The temperature on May 13, 1910 was between 3.9 °C and 18.7 °C and averaged 12.4 °C. There was 12.6 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
March 28 » Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
November 7 » The first air freight shipment (from Dayton, Ohio, to Columbus, Ohio) is undertaken by the Wright brothers and department store owner Max Moorehouse.
November 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
November 23 » Johan Alfred Ander becomes the last person to be executed in Sweden.
Day of death May 7, 1964
The temperature on May 7, 1964 was between 11.0 °C and 21.5 °C and averaged 15.4 °C. There was 1.1 mm of rain during 0.9 hours. There was 1.1 hours of sunshine (7%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 13 » In Manchester, New Hampshire, fourteen-year-old Pamela Mason is murdered. Edward Coolidge is tried and convicted of the crime, but the conviction is set aside by the landmark Fourth Amendment case Coolidge v. New Hampshire (1971).
August 7 » Vietnam War: The U.S. Congress passes the Gulf of Tonkin Resolution giving U.S. President Lyndon B. Johnson broad war powers to deal with North Vietnamese attacks on American forces.
August 27 » South Vietnamese junta leader Nguyễn Khánh enters into a triumvirate power-sharing arrangement with rival generals Trần Thiện Khiêm and Dương Văn Minh, who had both been involved in plots to unseat Khánh.
October 14 » The Soviet Presidium and the Communist Party Central Committee each vote to accept Nikita Khrushchev's "voluntary" request to retire from his offices.
October 16 » Leonid Brezhnev becomes leader of the Soviet Communist Party, while Alexei Kosygin becomes the head of government.
October 22 » An all-party Parliamentary Committee selects the design which will become the new official flag of Canada.
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/I80345.php : accessed September 30, 2026), "Sytze Hellinga (1910-1964)".
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