The temperature on September 20, 1876 was about 15.9 °C. The air pressure was 4 kgf/m2 and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 55%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
February 2 » The National League of Professional Baseball Clubs of Major League Baseball is formed.
April 11 » The Benevolent and Protective Order of Elks is organized.
May 10 » The Centennial Exposition is opened in Philadelphia.
May 30 » Ottoman sultan Abdülaziz is deposed and succeeded by his nephew Murad V.
June 4 » An express train called the Transcontinental Express arrives in San Francisco, via the First Transcontinental Railroad only 83 hours and 39 minutes after leaving New York City.
August 8 » Thomas Edison receives a patent for his mimeograph.
Day of death June 21, 1953
The temperature on June 21, 1953 was between 14.0 °C and 27.8 °C and averaged 21.6 °C. There was 12.4 hours of sunshine (74%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 11 » Cold War: U.S. President Dwight D. Eisenhower denies all appeals for clemency for Julius and Ethel Rosenberg.
April 25 » Francis Crick and James Watson publish "Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid" describing the double helix structure of DNA.
May 18 » Jackie Cochran becomes the first woman to break the sound barrier.
May 29 » Edmund Hillary and Sherpa Tenzing Norgay become the first people to reach the summit of Mount Everest, on Tenzing Norgay's (adopted) 39th birthday.
June 18 » The Egyptian revolution of 1952 ends with the overthrow of the Muhammad Ali dynasty and the declaration of the Republic of Egypt.
July 26 » Cold War: Fidel Castro leads an unsuccessful attack on the Moncada Barracks, thus beginning the Cuban Revolution. The movement took the name of the date: 26th of July Movement
When copying data from this family tree, please include a reference to the origin: Wesley Brown, "The Brown Tree", database, Genealogy Online (https://www.genealogieonline.nl/the-brown-tree/P6110.php : accessed February 5, 2026), "John (Jack) Thomas CHALK (1876-1953)".
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