The temperature on May 2, 1911 was between 5.1 °C and 16.2 °C and averaged 11.0 °C. There was 1.9 hours of sunshine (13%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
Day of marriage October 15, 1934
The temperature on October 15, 1934 was between 4.0 °C and 10.3 °C and averaged 7.2 °C. There was 12.3 mm of rain during 6.6 hours. There was 1.8 hours of sunshine (17%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
February 16 » The Austrian Civil War ends with the defeat of the Social Democrats and the Republikanischer Schutzbund.
June 15 » The United States Great Smoky Mountains National Park is founded.
June 26 » United States President Franklin D. Roosevelt signs the Federal Credit Union Act, which establishes credit unions.
August 19 » The German referendum of 1934 approves Hitler's appointment as head of state with the title of Führer.
September 18 » The Soviet Union is admitted to the League of Nations.
September 26 » The ocean liner RMSQueen Mary is launched.
Day of death July 29, 1967
The temperature on July 29, 1967 was between 14.1 °C and 22.2 °C and averaged 18.4 °C. There was 0.3 mm of rain during 0.1 hours. There was 8.4 hours of sunshine (54%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
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/I11161.php : accessed February 20, 2026), "Petrus Johannes Franciscus van den Biggelaar (1911-1967)".
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