The temperature on December 8, 1910 was between 2.8 °C and 8.6 °C and averaged 6.2 °C. There was 0.5 mm of rain. There was 3.0 hours of sunshine (38%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
March 28 » Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
September 26 » Indian journalist Swadeshabhimani Ramakrishna Pillai is arrested after publishing criticism of the government of Travancore and is exiled.
Day of marriage May 1, 1935
The temperature on May 1, 1935 was between 0.3 °C and 10.9 °C and averaged 5.9 °C. There was 12.5 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
February 28 » DuPont scientist Wallace Carothers invents nylon.
April 23 » The Polish Constitution of 1935 is adopted.
June 25 » Colombia–Soviet Union relations are established.
July 20 » Switzerland: A Royal Dutch Airlines plane en route from Milan to Frankfurt crashes into a Swiss mountain, killing thirteen.
September 15 » The Nuremberg Laws deprive German Jews of citizenship.
December 9 » Student protests in Beiping (now Beijing)'s Tiananmen Square, dispersed by government.
Day of death January 30, 1968
The temperature on January 30, 1968 was between 5.3 °C and 7.4 °C and averaged 6.4 °C. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 5 » Alexander Dubček comes to power in Czechoslovakia, effectively beginning the "Prague Spring".
June 9 » U.S. President Lyndon B. Johnson declares a national day of mourning following the assassination of Senator Robert F. Kennedy.
June 11 » Lloyd J. Old identified the first cell surface antigens that could differentiate among different cell types.
August 1 » The coronation is held of Hassanal Bolkiah, the 29th Sultan of Brunei.
August 21 » James Anderson Jr. posthumously receives the first Medal of Honor to be awarded to an African American U.S. Marine.
December 22 » Cultural Revolution: People's Daily posted the instructions of Mao Zedong that "The intellectual youth must go to the country, and will be educated from living in rural poverty."
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I178478.php : accessed February 24, 2026), "Jan Adrianus den Ouden (1910-1968)".
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