Pedigree Plomp » Christoffel Bertram (1906-1959)

Day of marriage September 17, 1942

• The temperature on September 17, 1942 was between 9.2 °C and 17.7 °C and averaged 13.7 °C. There was 1.3 mm of rain during 1.6 hours. There was 2.2 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
• Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
• In the year 1942: Source: Wikipedia
  • The Netherlands had about 9.0 million citizens.
  • April 18 » Pierre Laval becomes Prime Minister of Vichy France.
  • May 3 » World War II: Japanese naval troops invade Tulagi Island in the Solomon Islands during the first part of Operation Mo that results in the Battle of the Coral Sea between Japanese forces and forces from the United States and Australia.
  • May 31 » World War II: Imperial Japanese Navy midget submarines begin a series of attacks on Sydney, Australia.
  • August 9 » World War II: Battle of Savo Island: Allied naval forces protecting their amphibious forces during the initial stages of the Battle of Guadalcanal are surprised and defeated by an Imperial Japanese Navy cruiser force.
  • August 11 » Actress Hedy Lamarr and composer George Antheil receive a patent for a Frequency-hopping spread spectrum communication system that later became the basis for modern technologies in wireless telephones and Wi-Fi.
  • November 30 » World War II: Battle of Tassafaronga; A smaller squadron of Japanese destroyers led by Raizō Tanaka defeats a U.S. cruiser force under Carleton H. Wright.

Day of death August 28, 1959

• The temperature on August 28, 1959 was between 7.2 °C and 21.9 °C and averaged 14.8 °C. There was 0.3 mm of rain during 0.8 hours. There was 4.8 hours of sunshine (35%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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)
• In The Netherlands , there was from December 22, 1957 to May 19, 1959 the cabinet Beel II, with Dr. L.J.M. Beel (KVP) as prime minister.
• In The Netherlands , there was from May 19, 1959 to July 24, 1964 the cabinet De Quay, with Prof. dr. J.E. de Quay (KVP) as prime minister.
• In the year 1959: Source: Wikipedia
  • The Netherlands had about 11.3 million citizens.
  • January 30 » The forces of the Sultanate of Muscat occupy the last strongholds of the Imamate of Oman, Saiq and Shuraijah, marking the end of Jebel Akhdar War in Oman.
  • June 5 » The first government of Singapore is sworn in.
  • August 21 » United States President Dwight D. Eisenhower signs an executive order proclaiming Hawaii the 50th state of the union. Hawaii's admission is currently commemorated by Hawaii Admission Day.
  • September 18 » Vanguard 3 is launched into Earth orbit.
  • December 1 » Cold War: Opening date for signature of the Antarctic Treaty, which sets aside Antarctica as a scientific preserve and bans military activity on the continent.
  • December 3 » The current flag of Singapore is adopted, six months after Singapore became self-governing within the British Empire.

Source: Wikipedia

• 1955 » Emmett Till, American murder victim (b. 1941)
• 1959 » Bohuslav Martinů, Czech-American composer and educator (b. 1890)
• 1965 » Giulio Racah, Italian-Israeli physicist and mathematician (b. 1909)
• 1968 » Dimitris Pikionis, Greek architect and academic (b. 1887)
• 1971 » Reuvein Margolies, Israeli author and scholar (b. 1889)
• 1972 » Prince William of Gloucester (b. 1941)