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
January 22 » Teddy Wakelam gives the first live radio commentary of a football match, between Arsenal F.C. and Sheffield United at Highbury.
March 29 » Sunbeam 1000hp breaks the land speed record at Daytona Beach, Florida.
August 16 » The Dole Air Race begins from Oakland, California, to Honolulu, Hawaii, during which six out of the eight participating planes crash or disappear.
August 19 » Patriarch Sergius of Moscow proclaims the declaration of loyalty of the Russian Orthodox Church to the Soviet Union.
December 3 » Putting Pants on Philip, the first Laurel and Hardy film, is released.
December 30 » The Ginza Line, the first subway line in Asia, opens in Tokyo, Japan.
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
February 23 » International Organization for Standardization is founded.
August 14 » Pakistan gains Independence from the British Empire and joins the Commonwealth of Nations.
September 18 » The National Security Council and the Central Intelligence Agency are established in the United States by the National Security Act. It also establishes the Air Force as an equal partner of the Army and Navy.
October 5 » President Truman makes the first televised Oval Office address.
November 13 » The Soviet Union completes development of the AK-47, one of the first proper assault rifles.
December 23 » The transistor is first demonstrated at Bell Laboratories.
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).
January 21 » American lawyer and government official Alger Hiss is convicted of perjury.
March 17 » Researchers at the University of California, Berkeley announce the creation of element 98, which they name "californium".
June 25 » The Korean War begins with the invasion of South Korea by North Korea.
July 4 » Cold War: Radio Free Europe first broadcasts.
October 19 » China defeats the Tibetan Army at Chambo.
November 21 » Two Canadian National Railway trains collide in northeastern British Columbia in the Canoe River train crash; the death toll is 21, with 17 of them Canadian troops bound for Korea.
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 October 22, 2026), "Aaltje Slotegraaf (1927-1950)".
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