The temperature on May 24, 1935 was between 10.4 °C and 19.2 °C and averaged 15.0 °C. There was 4.7 hours of sunshine (29%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 28 » Iceland becomes the first Western country to legalize therapeutic abortion.
February 26 » Robert Watson-Watt carries out a demonstration near Daventry which leads directly to the development of radar in the United Kingdom.
May 29 » First flight of the Messerschmitt Bf 109 fighter aeroplane.
July 20 » Switzerland: A Royal Dutch Airlines plane en route from Milan to Frankfurt crashes into a Swiss mountain, killing thirteen.
July 28 » First flight of the Boeing B-17 Flying Fortress.
August 31 » In an attempt to stay out of the growing tensions concerning Germany and Japan, the United States passes the first of its Neutrality Acts.
Day of death July 31, 1979
The temperature on July 31, 1979 was between 13.4 °C and 21.1 °C and averaged 16.8 °C. There was 0.5 mm of rain during 1.0 hours. There was 1.3 hours of sunshine (8%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
March 28 » A coolant leak at the Three Mile Island's Unit 2 nuclear reactor outside Harrisburg, Pennsylvania leads to the core overheating and a partial meltdown.
April 10 » Red River Valley tornado outbreak: A tornado lands in Wichita Falls, Texas killing 42 people.
July 1 » Sony introduces the Walkman.
September 1 » The American space probe Pioneer 11 becomes the first spacecraft to visit Saturn when it passes the planet at a distance of 21,000 kilometres (13,000mi).
October 6 » Pope John Paul II becomes the first pontiff to visit the White House.
November 20 » Grand Mosque seizure: About 200 Sunni Muslims revolt in Saudi Arabia at the site of the Kaaba in Mecca during the pilgrimage and take about 6000 hostages. The Saudi government receives help from Pakistani special forces to put down the uprising.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I6254.php : accessed September 29, 2026), "Constant Riské (1935-1979)".
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