Family tree Severijn » William Hamstra (1928-1986)

Day of marriage September 9, 1949

• The temperature on September 9, 1949 was between 10.5 °C and 22.2 °C and averaged 16.0 °C. There was 6.5 hours of sunshine (49%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
• Koningin Juliana (Huis van Oranje-Nassau) was from September 4, 1948 till April 30, 1980 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• 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).
• In the year 1949: Source: Wikipedia
  • The Netherlands had about 9.9 million citizens.
  • 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).
  • May 6 » EDSAC, the first practical electronic digital stored-program computer, runs its first operation.
  • June 14 » Albert II, a rhesus monkey, rides a V-2 rocket to an altitude of 134km (83mi), thereby becoming the first monkey in space.
  • August 3 » The Basketball Association of America and the National Basketball League finalize the merger that would create the National Basketball Association.
  • August 10 » An amendment to the National Security Act of 1947 enhances the authority of the United States Secretary of Defense over the Army, Navy and Air Force, and replaces the National Military Establishment with the Department of Defense.
  • November 2 » The Dutch–Indonesian Round Table Conference ends with the Netherlands agreeing to transfer sovereignty of the Dutch East Indies to the United States of Indonesia.

Day of death September 8, 1986

• The temperature on September 8, 1986 was between 5.7 °C and 15.2 °C and averaged 10.5 °C. There was -0.1 mm of rain. There was 3.3 hours of sunshine (25%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
• Koningin Beatrix (Huis van Oranje-Nassau) was from April 30, 1980 till April 30, 2013 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
• In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
• In the year 1986: Source: Wikipedia
  • The Netherlands had about 14.5 million citizens.
  • February 8 » Hinton train collision: Twenty-three people are killed when a VIA Rail passenger train collides with a 118-car Canadian National freight train near the town of Hinton, Alberta, west of Edmonton. It is the worst rail accident in Canada until the Lac-Mégantic, Quebec derailment in 2013 which killed forty-seven people.
  • March 7 » Challenger Disaster: Divers from the USSPreserver locate the crew cabin of Challenger on the ocean floor.
  • April 26 » A nuclear reactor accident occurs at the Chernobyl Nuclear Power Plant in the Ukrainian Soviet Socialist Republic in the Soviet Union, creating the world's worst nuclear disaster.
  • April 28 » High levels of radiation resulting from the Chernobyl disaster are detected at a nuclear power plant in Sweden, leading Soviet authorities to publicly announce the accident.
  • April 29 » Chernobyl disaster: American and European spy satellites capture the ruins of the 4th Reactor at the Chernobyl Power Plant.
  • October 21 » In Lebanon, pro-Iran kidnappers claim to have abducted American writer Edward Tracy (he is released in August 1991).

Source: Wikipedia

• 1981 » Hideki Yukawa, Japanese physicist and academic, Nobel Prize laureate (b. 1907)
• 1981 » Nisargadatta Maharaj, Indian guru, philosopher, and educator (b. 1897)
• 1981 » Roy Wilkins, American journalist and activist (b. 1901)
• 1983 » Antonin Magne, French cyclist (b. 1904)
• 1985 » John Franklin Enders, American virologist and academic, Nobel Prize laureate (b. 1887)
• 1990 » Denys Watkins-Pitchford, English author and illustrator (b. 1905)