The temperature on October 12, 1911 was between 2.2 °C and 15.5 °C and averaged 8.3 °C. There was 8.4 hours of sunshine (77%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
May 19 » Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
Day of marriage November 17, 1937
The temperature on November 17, 1937 was between -3.2 °C and 2.6 °C and averaged -0.2 °C. There was 6.9 hours of sunshine (79%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 25 » The Guiding Light debuts on NBC radio from Chicago. In 1952 it moves to CBS television, where it remains until September 18, 2009.
February 11 » The Flint sit-down strike ends when General Motors recognizes the United Auto Workers trade union.
April 1 » The Royal New Zealand Air Force is formed as an independent service.
May 7 » Spanish Civil War: The German Condor Legion, equipped with Heinkel He 51 biplanes, arrives in Spain to assist Francisco Franco's forces.
June 15 » A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.
December 22 » The Lincoln Tunnel opens to traffic in New York City.
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/I175993.php : accessed March 2, 2026), "Pieter Jacob Leer (1911-)".
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