The temperature on July 31, 1927 was between 12.5 °C and 22.2 °C and averaged 17.9 °C. There was 3.2 hours of sunshine (21%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
April 30 » The Federal Industrial Institute for Women opens in Alderson, West Virginia, as the first women's federal prison in the United States.
June 26 » The Cyclone roller coaster opens on Coney Island.
August 19 » Patriarch Sergius of Moscow proclaims the declaration of loyalty of the Russian Orthodox Church to the Soviet Union.
September 30 » Babe Ruth becomes the first baseball player to hit 60 home runs in a season.
October 6 » Opening of The Jazz Singer, the first prominent "talkie" movie.
November 12 » Leon Trotsky is expelled from the Soviet Communist Party, leaving Joseph Stalin in undisputed control of the Soviet Union.
Day of marriage June 7, 1947
The temperature on June 7, 1947 was between 11.3 °C and 16.0 °C and averaged 13.2 °C. There was 1.2 mm of rain during 1.8 hours. There was 2.8 hours of sunshine (17%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 25 » Thomas Goldsmith Jr. files a patent for a "Cathode Ray Tube Amusement Device", the first ever electronic game.
August 2 » A British South American Airways Avro Lancastrian airliner crashes into a mountain during a flight from Buenos Aires, Argentina to Santiago, Chile. The wreckage would not be found until 1998.
September 15 » Typhoon Kathleen hit the Kantō region in Japan killing 1,077.
September 30 » The 1947 World Series is the first to be televised, to include an African-American player, to exceed $2 million in receipts, to see a pinch-hit home run, and to have six umpires on the field.
October 30 » The General Agreement on Tariffs and Trade (GATT), the foundation of the World Trade Organization (WTO), is founded.
November 29 » First Indochina War: French forces carry out a massacre at Mỹ Trạch, Vietnam.
Day of death April 20, 1950
The temperature on April 20, 1950 was between 6.0 °C and 17.7 °C and averaged 11.6 °C. There was 12.0 hours of sunshine (85%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
March 1 » Cold War: Klaus Fuchs is convicted of spying for the Soviet Union by disclosing top secret atomic bomb data.
June 24 » Apartheid: In South Africa, the Group Areas Act is passed, formally segregating races.
August 1 » Guam is organized as a United States commonwealth as the President Harry S. Truman signs the Guam Organic Act.
October 19 » China defeats the Tibetan Army at Chambo.
November 25 » The Great Appalachian Storm of November 1950 impacts 22 American states, killing 353 people, injuring over 160, and causing US$66.7 million in damages (1950 dollars).
December 9 » Cold War: Harry Gold is sentenced to 30 years in jail for helping Klaus Fuchs pass information about the Manhattan Project to the Soviet Union. His testimony is later instrumental in the prosecution of Julius and Ethel Rosenberg.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I182788.php : accessed February 16, 2026), "Aaltje Slotegraaf (1927-1950)".
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