The temperature on December 20, 1909 was between -0.8 °C and 3.3 °C and averaged 1.2 °C. There was 2.0 mm of rain. There was 3.3 hours of sunshine (43%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 12 » The National Association for the Advancement of Colored People (NAACP) is founded.
April 6 » Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
July 25 » Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes.
August 19 » The first automobile race at the Indianapolis Motor Speedway.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
October 16 » William Howard Taft and Porfirio Díaz hold the first summit between a U.S. and a Mexican president. They narrowly escape assassination.
Day of marriage September 27, 1933
The temperature on September 27, 1933 was between 12.5 °C and 22.8 °C and averaged 16.5 °C. There was 0.1 mm of rain. There was 5.2 hours of sunshine (44%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
February 5 » Mutiny on Royal Netherlands Navy warship HNLMS De Zeven Provinciën off the coast of Sumatra, Dutch East Indies.
July 6 » The first Major League Baseball All-Star Game is played in Chicago's Comiskey Park. The American League defeated the National League 4–2.
July 8 » The first rugby union test match between the Wallabies of Australia and the Springboks of South Africa is played at Newlands Stadium in Cape Town.
August 1 » Anti-Fascist activists Bruno Tesch, Walter Möller, Karl Wolff and August Lütgens are executed by the Nazi regime in Altona.
August 25 » The Diexi earthquake strikes Mao County, Sichuan, China and kills 9,000 people.
December 15 » The Twenty-first Amendment to the United States Constitution officially becomes effective, repealing the Eighteenth Amendment that prohibited the sale, manufacture, and transportation of alcohol.
Day of death February 4, 1976
The average temperature on February 4, 1976 was -1.2 °C. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 15 » Gerald Ford's would-be assassin, Sara Jane Moore, is sentenced to life in prison.
February 6 » In testimony before a United States Senate subcommittee, Lockheed Corporation president Carl Kotchian admits that the company had paid out approximately $3 million in bribes to the office of Japanese Prime Minister Kakuei Tanaka.
July 2 » End of South Vietnam; Communist North Vietnam annexes the former South Vietnam to form the unified Socialist Republic of Vietnam.
August 7 » Viking program: Viking 2 enters orbit around Mars.
September 16 » Armenian champion swimmer Shavarsh Karapetyan saves 20 people from a trolleybus that had fallen into a Yerevan reservoir.
October 20 » The ferry George Prince is struck by a ship while crossing the Mississippi River. Seventy-eight passengers and crew die, and only 18 people aboard the ferry survive.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I42.php : accessed January 8, 2026), "Johanna Maria Bertholee (1909-1976)".
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