The temperature on January 6, 1957 was between 5.9 °C and 12.4 °C and averaged 9.0 °C. There was 4.0 mm of rain during 4.2 hours. There was 3.8 hours of sunshine (48%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the west. Source: KNMI
February 22 » Ngô Đình Diệm of South Vietnam survives a communist shooting assassination attempt in Buôn Ma Thuột.
March 4 » The S&P 500 stock market index is introduced, replacing the S&P 90.
March 13 » Cuban student revolutionaries storm the presidential palace in Havana in a failed attempt on the life of President Fulgencio Batista.
June 24 » In Roth v. United States, the U.S. Supreme Court rules that obscenity is not protected by the First Amendment.
July 26 » Carlos Castillo Armas, dictator of Guatemala, is assassinated.
October 22 » Vietnam War: First United States casualties in Vietnam.
Day of death March 30, 1960
The temperature on March 30, 1960 was between 5.0 °C and 10.8 °C and averaged 7.4 °C. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
March 22 » Arthur Leonard Schawlow and Charles Hard Townes receive the first patent for a laser.
May 1 » Cold War: U-2 incident: Francis Gary Powers, in a Lockheed U-2 spyplane, is shot down over the Sverdlovsk Oblast, Soviet Union, sparking a diplomatic crisis.
July 11 » France legislates for the independence of Dahomey (later Benin), Upper Volta (later Burkina) and Niger.
July 20 » The Polaris missile is successfully launched from a submarine, the USSGeorge Washington, for the first time.
August 16 » Joseph Kittinger parachutes from a balloon over New Mexico at 102,800 feet (31,300m), setting three records that held until 2012: High-altitude jump, free fall, and highest speed by a human without an aircraft.
December 11 » French forces crack down in a violent clash with protesters in French Algeria during a visit by French President Charles de Gaulle.
When copying data from this family tree, please include a reference to the origin: Helma Bovenschen-van Gelderen, "Genealogy Bovenschen, Looijenga, Van Gelderen en Van Donk", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-bovenschen/I70448.php : accessed June 3, 2024), "Guurdines Opperman (1957-1960)".
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