The temperature on April 15, 1960 was between 3.1 °C and 10.5 °C and averaged 7.4 °C. There was 8.0 hours of sunshine (58%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
April 1 » The TIROS-1 satellite transmits the first television picture from space.
April 13 » The United States launches Transit 1-B, the world's first satellite navigation system.
May 1 » Cold War: U-2 incident: Francis Gary Powers, in a Lockheed U-2 spyplane, is shot down over the Sverdlovsk Oblast, Soviet Union, sparking a diplomatic crisis.
June 25 » Cold War: Two cryptographers working for the United States National Security Agency left for vacation to Mexico, and from there defected to the Soviet Union.
August 12 » Echo 1A, NASA's first successful communications satellite, is launched.
September 2 » The first election of the Parliament of the Central Tibetan Administration, in history of Tibet. The Tibetan community observes this date as Democracy Day.
When copying data from this family tree, please include a reference to the origin: Gerard Mutter, "Family tree De Duffelt", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-duffelt/I307355.php : accessed June 25, 2024), "Willem Leuvering (????-1960)".
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