The temperature on April 30, 1909 was between 1.8 °C and 10.3 °C and averaged 6.0 °C. There was 19.1 mm of rain. There was 6.0 hours of sunshine (41%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
January 25 » Richard Strauss's opera Elektra receives its debut performance at the Dresden State Opera.
February 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
April 6 » Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
April 11 » The city of Tel Aviv is founded.
August 19 » The first automobile race at the Indianapolis Motor Speedway.
Day of marriage May 7, 1935
The temperature on May 7, 1935 was between 8.7 °C and 13.9 °C and averaged 10.3 °C. There was 2.8 hours of sunshine (18%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
February 26 » Robert Watson-Watt carries out a demonstration near Daventry which leads directly to the development of radar in the United Kingdom.
May 6 » New Deal: Under the authority of the newly-enacted Federal Emergency Relief Administration, President Franklin D. Roosevelt issues Executive Order 7034 to create the Works Progress Administration.
May 31 » A 7.7 Mw earthquake destroys Quetta in modern-day Pakistan killing 40,000.
June 10 » Dr. Robert Smith takes his last drink, and Alcoholics Anonymous is founded in Akron, Ohio, United States, by him and Bill Wilson.
July 28 » First flight of the Boeing B-17 Flying Fortress.
November 24 » The Senegalese Socialist Party holds its second congress.
Day of death April 30, 1961
The temperature on April 30, 1961 was between 5.5 °C and 14.3 °C and averaged 11.1 °C. There was 0.2 hours of sunshine (1%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
February 12 » The Soviet Union launches Venera 1 towards Venus.
March 24 » Quebec Board of the French Language is established.
May 19 » At Silchar Railway Station, Assam, 11 Bengalis die when police open fire on protesters demanding state recognition of Bengali language in the Bengali Language Movement.
June 4 » Cold War: In the Vienna summit, the Soviet premier Nikita Khrushchev sparks the Berlin Crisis by threatening to sign a separate peace treaty with East Germany and ending American, British and French access to East Berlin.
June 19 » Kuwait declares independence from the United Kingdom.
November 21 » The "La Ronde" opens in Honolulu, first revolving restaurant in the United States.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I29258.php : accessed February 4, 2026), "Cornelis Lambertus Willem Diepstraten (1909-1961)".
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