January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
August 22 » Cadillac Motor Company is founded.
Day of marriage December 30, 1926
The temperature on December 30, 1926 was between 3.1 °C and 7.7 °C and averaged 6.2 °C. There was 0.1 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 15 » The dictator Theodoros Pangalos is elected President of Greece without opposition.
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
May 22 » Chiang Kai-shek replaces the communists in Kuomintang China.
June 14 » Brazil leaves the League of Nations.
August 5 » Harry Houdini performs his greatest feat, spending 91 minutes underwater in a sealed tank before escaping.
November 15 » The NBC radio network opens with 24 stations.
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/I169875.php : accessed October 16, 2026), "Grietje Roorda (1902-)".
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