April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
July 1 » Canada and Bermuda are linked by telegraph cable.
August 7 » Anna Månsdotter became the last woman to be executed in Sweden for the 1889 Yngsjö murder.
September 12 » Salisbury, Rhodesia, is founded.
November 23 » King William III of the Netherlands dies without a male heir and a special law is passed to allow his daughter Princess Wilhelmina to succeed him.
Day of marriage May 20, 1916
The temperature on May 20, 1916 was between 3.8 °C and 20.0 °C and averaged 13.0 °C. There was 12.5 hours of sunshine (79%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 24 » The Governor-General of Korea establishes a clinic called Jahyewon in Sorokdo to segregate Hansen's disease patients.
September 17 » World War I: Manfred von Richthofen ("The Red Baron"), a flying ace of the German Luftstreitkräfte, wins his first aerial combat near Cambrai, France.
November 5 » The Kingdom of Poland is proclaimed by the Act of 5th November of the emperors of Germany and Austria-Hungary.
December 18 » World War I: The Battle of Verdun ends when German forces under Chief of staff Erich von Falkenhayn are defeated by the French, and suffer 337,000 casualties.
December 29 » A Portrait of the Artist as a Young Man, the first novel by James Joyce, was first published as a book by an American publishing house B. W. Huebschis after it had been serialized in The Egoist (1914–15).
December 30 » The last coronation in Hungary is performed for King Charles IV and Queen Zita.
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/I101745.php : accessed October 24, 2026), "Grietje Sytsma (1890-????)".
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