The temperature on July 20, 1949 was between 6.6 °C and 20.5 °C and averaged 14.5 °C. There was 14.2 hours of sunshine (88%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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 26 » The Hale telescope at Palomar Observatory sees first light under the direction of Edwin Hubble, becoming the largest aperture optical telescope (until BTA-6 is built in 1976).
April 28 » The Hukbalahap are accused of assassinating former First Lady of the Philippines Aurora Quezon, while she is en route to dedicate a hospital in memory of her late husband; her daughter and ten others are also killed.
June 24 » The first television western, Hopalong Cassidy, starring William Boyd, is aired on NBC.
August 22 » The Queen Charlotte earthquake is Canada's strongest since the 1700 Cascadia earthquake.
August 29 » Soviet atomic bomb project: The Soviet Union tests its first atomic bomb, known as First Lightning or Joe 1, at Semipalatinsk, Kazakhstan.
September 27 » Zeng Liansong's design is chosen as the flag of the People's Republic of China.
Day of marriage June 10, 1972
The temperature on June 10, 1972 was between 7.5 °C and 15.1 °C and averaged 11.0 °C. There was 3.1 mm of rain during 1.0 hours. There was 6.8 hours of sunshine (41%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
February 18 » The California Supreme Court in the case of People v. Anderson, (6 Cal.3d 628) invalidates the state's death penalty and commutes the sentences of all death row inmates to life imprisonment.
March 22 » The United States Congress sends the Equal Rights Amendment to the states for ratification.
August 22 » Rhodesia is expelled by the IOC for its racist policies.
September 30 » Roberto Clemente records the 3,000th and final hit of his career.
November 11 » Vietnam War: Vietnamization: The United States Army turns over the massive Long Binh military base to South Vietnam.
December 19 » Apollo program: The last manned lunar flight, Apollo 17, crewed by Eugene Cernan, Ronald Evans, and Harrison Schmitt, returns to Earth.
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I11384.php : accessed March 5, 2026), "Calvin Swan (1949-)".
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