The temperature on June 26, 1913 was between 9.5 °C and 15.7 °C and averaged 13.0 °C. There was 0.1 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 5 » Greek military aviators, Michael Moutoussis and Aristeidis Moraitinis perform the first naval air mission in history, with a Farman MF.7 hydroplane.
February 17 » The Armory Show opens in New York City, displaying works of artists who are to become some of the most influential painters of the early 20th century.
May 14 » Governor of New York William Sulzer approves the charter for the Rockefeller Foundation, which begins operations with a $100million donation from John D. Rockefeller.
August 10 » Second Balkan War: Delegates from Bulgaria, Romania, Serbia, Montenegro, and Greece sign the Treaty of Bucharest, ending the war.
October 14 » Senghenydd colliery disaster, the United Kingdom's worst coal mining accident, claims the lives of 439 miners.
December 17 » A spur of the Shaker Heights streetcar line opens, the first line of the eventual Cleveland RTA Rapid Transit system.
Day of marriage July 20, 1938
The temperature on July 20, 1938 was between 12.4 °C and 19.7 °C and averaged 15.9 °C. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 3 » The March of Dimes is established as a foundation to combat infant polio by President Franklin D. Roosevelt.
February 11 » BBC Television produces the world's first ever science fiction television programme, an adaptation of a section of the Karel Čapek play R.U.R., that coined the term "robot".
April 30 » The animated cartoon short Porky's Hare Hunt debuts in movie theaters, introducing Happy Rabbit, an early version of Bugs Bunny.
June 7 » Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. Five hundred to nine hundred thousand civilians are killed.
July 28 » Hawaii Clipper disappears between Guam and Manila as the first loss of an airliner in trans-Pacific China Clipper service.
December 16 » Adolf Hitler institutes the Cross of Honour of the German Mother.
Day of death December 21, 1959
The temperature on December 21, 1959 was between 1.9 °C and 7.7 °C and averaged 4.9 °C. There was 0.1 mm of rain. There was 4.2 hours of sunshine (54%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 7 » The United States recognizes the new Cuban government of Fidel Castro.
February 9 » The R-7 Semyorka, the first intercontinental ballistic missile, becomes operational at Plesetsk, USSR.
March 9 » The Barbie doll makes its debut at the American International Toy Fair in New York.
June 5 » The first government of Singapore is sworn in.
September 26 » Typhoon Vera, the strongest typhoon to hit Japan in recorded history, makes landfall, killing 4,580 people and leaving nearly 1.6 million others homeless.
December 3 » The current flag of Singapore is adopted, six months after Singapore became self-governing within the British Empire.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I466337.php : accessed February 28, 2026), "Jan Veninga (1913-1959)".
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