The temperature on December 16, 1911 was between 2.1 °C and 7.1 °C and averaged 4.5 °C. There was 3.4 hours of sunshine (44%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
Day of marriage December 15, 1936
The temperature on December 15, 1936 was between 0.5 °C and 7.6 °C and averaged 4.7 °C. There was 1.0 mm of rain during 1.6 hours. There was 3.1 hours of sunshine (40%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
April 27 » The United Auto Workers (UAW) gains autonomy from the American Federation of Labor.
June 11 » The London International Surrealist Exhibition opens.
June 26 » Initial flight of the Focke-Wulf Fw 61, the first practical helicopter.
August 3 » A fire wipes out Kursha-2 in the Meshchera Lowlands, Ryazan Oblast, Russia, killing 1,200 and leaving only 20 survivors.
August 31 » Radio Prague, now the official international broadcasting station of the Czech Republic, goes on the air.
October 1 » Spanish Civil War: The Central Committee of Antifascist Militias of Catalonia dissolves itself, handing control of Catalan defence militias over to the Generalitat.
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/I139741.php : accessed October 21, 2026), "Zwaantje Klaaske Plantinga (1911-)".
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