The average temperature on January 15, 1912 was -0.5 °C. There was 0.5 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
April 10 » RMS Titanic sets sail from Southampton, England on her maiden and only voyage.
April 16 » Harriet Quimby becomes the first woman to fly an airplane across the English Channel.
October 18 » First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.
October 24 » First Balkan War: The Battle of Kirk Kilisse concludes with a Bulgarian victory against the Ottoman Empire.
October 24 » First Balkan War: The Battle of Kumanovo concludes with the Serbian victory against the Ottoman Empire.
Day of marriage May 22, 1937
The temperature on May 22, 1937 was between 4.6 °C and 19.4 °C and averaged 13.6 °C. There was 11.1 hours of sunshine (69%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 11 » The Flint sit-down strike ends when General Motors recognizes the United Auto Workers trade union.
April 1 » Aden becomes a British crown colony.
April 26 » Spanish Civil War: Guernica, Spain, is bombed by German Luftwaffe.
July 26 » Spanish Civil War: End of the Battle of Brunete with the Nationalist victory.
October 9 » Murder of 9 Catholic priests in Zhengding, China, who protected the local population from the advancing Japanese army.
December 16 » Theodore Cole and Ralph Roe attempt to escape from the American federal prison on Alcatraz Island in San Francisco Bay; neither is ever seen again.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I187639.php : accessed January 18, 2026), "Jan Dantuma (1912-)".
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