January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
March 2 » The Battle of Adwa: The Italian Army defeated by the Ethiopian Army in Adwa, Tigray, Ethiopia.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
November 27 » Also sprach Zarathustra by Richard Strauss is first performed.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of marriage April 20, 1916
The temperature on April 20, 1916 was between 4.9 °C and 10.6 °C and averaged 6.7 °C. There was 8.9 mm of rain. There was 2.8 hours of sunshine (20%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
June 5 » Louis Brandeis is sworn in as a Justice of the United States Supreme Court; he is the first American Jew to hold such a position.
August 2 » World War I: Austrian sabotage causes the sinking of the Italian battleship Leonardo da Vinci in Taranto.
August 14 » Romania declares war on Austria-Hungary.
August 17 » World War I: Romania signs a secret treaty with the Entente Powers. According to the treaty, Romania agreed to join the war on the Allied side.
September 7 » US federal employees win the right to Workers' compensation by Federal Employers Liability Act (39 Stat. 742; 5 U.S.C. 751)
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I29959.php : accessed February 20, 2026), "Geertje Kersten (1896-????)".
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