The temperature on July 15, 1887 was about 23.8 °C. The air pressure was 10 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 58%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
May 9 » Buffalo Bill Cody's Wild West Show opens in London.
June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
July 4 » The founder of Pakistan, Quaid-i-Azam Muhammad Ali Jinnah, joins Sindh-Madrasa-tul-Islam, Karachi.
July 26 » Publication of the Unua Libro, founding the Esperanto movement.
November 9 » The United States receives rights to Pearl Harbor, Hawaii.
November 13 » Bloody Sunday clashes in central London.
Day of death December 6, 1956
The temperature on December 6, 1956 was between 3.4 °C and 10.6 °C and averaged 8.1 °C. There was 0.1 mm of rain during 0.2 hours. There was -0.1 hours of sunshine (0%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
July 13 » The Dartmouth workshop is the first conference on artificial intelligence.
July 16 » Ringling Bros. and Barnum & Bailey Circus closes its last "Big Tent" show in Pittsburgh, Pennsylvania; due to changing economics, all subsequent circus shows will be held in arenas.
October 17 » The first commercial nuclear power station is officially opened by Queen Elizabeth II in Sellafield, England.
October 30 » Hungarian Revolution: The government recognizes the new workers' councils. Army officer Béla Király leads an attack on the Communist Party headquarters.
December 2 » The Granma reaches the shores of Cuba's Oriente Province. Fidel Castro, Che Guevara and 80 other members of the 26th of July Movement disembark to initiate the Cuban Revolution.
December 4 » The Million Dollar Quartet (Elvis Presley, Jerry Lee Lewis, Carl Perkins, and Johnny Cash) get together at Sun Studio for the first and last time.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I17562.php : accessed February 5, 2026), "Marthinus Johannes Dreyer de Villiers (1887-1956)".
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