The temperature on August 9, 1911 was between 16.4 °C and 32.2 °C and averaged 24.4 °C. There was 12.5 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of death December 14, 1968
The temperature on December 14, 1968 was between -8.4 °C and -2.7 °C and averaged -6.0 °C. There was 4.7 hours of sunshine (60%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
January 21 » Vietnam War: Battle of Khe Sanh: One of the most publicized and controversial battles of the war begins.
February 1 » Vietnam War: The execution of Viet Cong officer Nguyễn Văn Lém by South Vietnamese National Police Chief Nguyễn Ngọc Loan is recorded on motion picture film, as well as in an iconic still photograph taken by Eddie Adams.
May 26 » H-dagurinn in Iceland: Traffic changes from driving on the left to driving on the right overnight
July 1 » Formal separation of the United Auto Workers from the AFL–CIO in the United States.
October 16 » Tommie Smith and John Carlos are ejected from the US Olympic team for participating in the Olympics Black Power salute.
November 22 » The Beatles release The Beatles (known popularly as The White Album).
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/I123381.php : accessed January 1, 2026), "Kornelis Kamminga (1911-1968)".
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