Family tree Opperman » Klaas Hettinga (1892-1969)

Day of marriage May 1, 1920

• The temperature on May 1, 1920 was between 3.3 °C and 16.7 °C and averaged 10.9 °C. There was 0.2 mm of rain. There was 4.9 hours of sunshine (33%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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 September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
• In the year 1920: Source: Wikipedia
  • The Netherlands had about 6.8 million citizens.
  • January 16 » The League of Nations holds its first council meeting in Paris, France.
  • January 19 » The American Civil Liberties Union (ACLU) is founded.
  • February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
  • March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
  • June 11 » During the U.S. Republican National Convention in Chicago, U.S. Republican Party leaders gathered in a room at the Blackstone Hotel to come to a consensus on their candidate for the U.S. presidential election, leading the Associated Press to coin the political phrase "smoke-filled room".
  • August 25 » Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat.

Day of death March 31, 1969

• The temperature on March 31, 1969 was between 3.6 °C and 9.2 °C and averaged 6.8 °C. There was 9.3 mm of rain during 6.6 hours. The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) 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)
• In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet De Jong, with P.J.S. de Jong (KVP) as prime minister.
• In the year 1969: Source: Wikipedia
  • The Netherlands had about 12.8 million citizens.
  • March 19 » The 385-metre-tall (1,263ft) TV-mast at Emley Moor transmitting station, United Kingdom, collapses due to ice build-up.
  • May 15 » People's Park: California Governor Ronald Reagan has an impromptu student park owned by the University of California at Berkeley fenced off from student anti-war protestors, sparking a riot.
  • July 30 » Vietnam War: US President Richard Nixon makes an unscheduled visit to South Vietnam and meets with President Nguyễn Văn Thiệu and U.S. military commanders.
  • November 12 » Vietnam War: Independent investigative journalist Seymour Hersh breaks the story of the My Lai Massacre.
  • November 20 » Occupation of Alcatraz: Native American activists seize control of Alcatraz Island until being ousted by the U.S. Government on June 11, 1971.
  • December 8 » Olympic Airways Flight 954 strikes a mountain outside of Keratea, Greece, killing 90 people in the worst crash of a Douglas DC-6 in history.

Source: Wikipedia

• 1968 » Grover Lowdermilk, American baseball player (b. 1885)
• 1970 » Semyon Timoshenko, Soviet Commander during the Winter War and the Eastern Front of World War II (b. 1894)
• 1975 » Percy Alliss, English golfer (b. 1897)
• 1976 » Paul Strand, American photographer and director (b. 1890)
• 1978 » Astrid Allwyn, American actress (b. 1905)
• 1978 » Charles Herbert Best, American-Canadian physiologist and biochemist, co-discovered Insulin (b. 1899)