The temperature on April 12, 1960 was between 5.2 °C and 12.1 °C and averaged 8.9 °C. There was 0.2 mm of rain during 0.5 hours. There was 5.6 hours of sunshine (41%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 13 » With the success of a nuclear test codenamed "Gerboise Bleue", France becomes the fourth country to possess nuclear weapons.
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 20 » The Mali Federation gains independence from France (it later splits into Mali and Senegal).
August 12 » Echo 1A, NASA's first successful communications satellite, is launched.
December 15 » Richard Pavlick is arrested for plotting to assassinate U.S. President-Elect John F. Kennedy.
December 16 » A United Airlines Douglas DC-8 and a TWA Lockheed Super Constellation collide over Staten Island, New York and crash, killing all 128 people aboard both aircraft and six more on the ground.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I2905.php : accessed October 17, 2026), "Hendrika Maria Johanna Mulders (1956-1960)".
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