The temperature on July 7, 1911 was between 14.7 °C and 27.0 °C and averaged 20.8 °C. There was 12.7 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
Day of marriage March 14, 1935
The temperature on March 14, 1935 was between -0.2 °C and 11.9 °C and averaged 5.2 °C. There was 9.0 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 7 » Benito Mussolini and French Foreign minister Pierre Laval sign the Franco-Italian Agreement.
June 12 » A ceasefire is negotiated between Bolivia and Paraguay, ending the Chaco War.
August 31 » In an attempt to stay out of the growing tensions concerning Germany and Japan, the United States passes the first of its Neutrality Acts.
September 2 » The Labor Day Hurricane, the most intense hurricane to strike the United States, makes landfall at Long Key, Florida, killing at least 400.
September 30 » The Hoover Dam, astride the border between the U.S. states of Arizona and Nevada, is dedicated.
November 9 » The Congress of Industrial Organizations is founded in Atlantic City, New Jersey, by eight trade unions belonging to the American Federation of Labor.
Day of death November 20, 1970
The temperature on November 20, 1970 was between 2.2 °C and 9.9 °C and averaged 6.4 °C. There was 2.1 mm of rain during 2.8 hours. There was 3.6 hours of sunshine (42%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 5 » The 7.1 Mw Tonghai earthquake shakes Tonghai County, Yunnan province, China, with a maximum Mercalli intensity of X (Extreme). Between 10,000 and 15,000 people are known to have been killed and about another 26,000 are injured.
March 21 » The first Earth Day proclamation is issued by Joseph Alioto, Mayor of San Francisco.
April 29 » Vietnam War: United States and South Vietnamese forces invade Cambodia to hunt Viet Cong.
May 26 » The Soviet Tupolev Tu-144 becomes the first commercial transport to exceed Mach 2.
August 23 » Organized by Mexican American labor union leader César Chávez, the Salad Bowl strike, the largest farm worker strike in U.S. history, begins.
September 7 » Fighting begins between Arab guerrillas and government forces in Jordan.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I5946.php : accessed January 30, 2026), "Barbara van de Ven (1911-1970)".
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