The temperature on July 19, 1950 was between 17.0 °C and 21.0 °C and averaged 18.5 °C. There was 0.2 mm of rain during 0.3 hours. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 14 » The first prototype of the MiG-17 makes its maiden flight.
March 1 » Cold War: Klaus Fuchs is convicted of spying for the Soviet Union by disclosing top secret atomic bomb data.
August 25 » President Harry Truman orders the U.S. Army to seize control of the nation's railroads to avert a strike.
September 23 » Korean War: The Battle of Hill 282 is the first US friendly-fire incident on British military personnel since World War II.
October 9 » The Goyang Geumjeong Cave massacre in Korea begins.
November 1 » Pope Pius XII claims papal infallibility when he formally defines the dogma of the Assumption of Mary.
Day of death June 11, 1970
The temperature on June 11, 1970 was between 13.5 °C and 27.1 °C and averaged 20.9 °C. There was 14.7 hours of sunshine (88%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
March 28 » An earthquake strikes western Turkey at about 23:05 local time, killing 1,086 and injuring 1,260.
April 17 » Apollo program: The ill-fated Apollo 13 spacecraft returns to Earth safely.
May 26 » The Soviet Tupolev Tu-144 becomes the first commercial transport to exceed Mach 2.
July 8 » Richard Nixon delivers a special congressional message enunciating Native American self-determination as official US Indian policy, leading to the Indian Self-Determination and Education Assistance Act of 1975.
August 24 » Vietnam War protesters bomb Sterling Hall at the University of Wisconsin–Madison, leading to an international manhunt for the perpetrators.
September 12 » Dawson's Field hijackings: Palestinian terrorists blow up three hijacked airliners in Jordan, continuing to hold the passengers hostage in various undisclosed locations in Amman.
When copying data from this family tree, please include a reference to the origin: Peter Kalma, "Kalma Genealogie", database, Genealogy Online (https://www.genealogieonline.nl/kalma-genealogie/I3462.php : accessed May 25, 2024), "Willem Kalverda (1950-1970)".
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