The temperature on July 2, 1935 was between 14.4 °C and 22.1 °C and averaged 18.5 °C. There was 1.0 mm of rain during 0.6 hours. There was 6.2 hours of sunshine (37%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 26 » Adolf Hitler orders the Luftwaffe to be re-formed, violating the provisions of the Treaty of Versailles.
February 26 » Robert Watson-Watt carries out a demonstration near Daventry which leads directly to the development of radar in the United Kingdom.
March 16 » Adolf Hitler orders Germany to rearm herself in violation of the Treaty of Versailles. Conscription is reintroduced to form the Wehrmacht.
June 10 » Chaco War ends: A truce is called between Bolivia and Paraguay who had been fighting since 1932.
September 24 » Earl and Weldon Bascom produce the first rodeo ever held outdoors under electric lights.
December 5 » Mary McLeod Bethune founds the National Council of Negro Women in New York City.
Day of marriage August 17, 1956
The temperature on August 17, 1956 was between 12.8 °C and 18.7 °C and averaged 15.3 °C. There was 0.3 mm of rain during 0.5 hours. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 20 » The United States Merchant Marine Academy becomes a permanent Service Academy.
March 1 » The International Air Transport Association finalizes a draft of the Radiotelephony spelling alphabet for the International Civil Aviation Organization.
April 5 » Cuban Revolution: Fidel Castro declares himself at war with Cuban President Fulgencio Batista.
April 26 » SSIdeal X, the world's first successful container ship, leaves Port Newark, New Jersey, for Houston, Texas.
November 1 » Hungarian Revolution: Imre Nagy announces Hungary's neutrality and withdrawal from the Warsaw Pact. Soviet troops begin to re-enter Hungary, contrary to assurances by the Soviet government. János Kádár and Ferenc Münnich secretly defect to the Soviets.
November 7 » Suez Crisis: The United Nations General Assembly adopts a resolution calling for the United Kingdom, France and Israel to immediately withdraw their troops from Egypt.
When copying data from this family tree, please include a reference to the origin: Gert Pieters, "Family tree Koops", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koops/I689.php : accessed January 7, 2026), "Johanna "Jo" Koops (1935-2019)".
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