January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
June 4 » Henry Ford completes the Ford Quadricycle, his first gasoline-powered automobile, and gives it a successful test run.
August 30 » Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas.
November 1 » A picture showing the bare breasts of a woman appears in National Geographic magazine for the first time.
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.
Day of death July 4, 1917
The temperature on July 4, 1917 was between 10.4 °C and 20.2 °C and averaged 15.6 °C. There was 13.6 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
May 21 » The Imperial War Graves Commission is established through royal charter to mark, record, and maintain the graves and places of commemoration of the British Empire's military forces.
August 6 » World War I: Battle of Mărășești between the Romanian and German armies begins.
October 26 » First World War: Brazil declares war on the Central Powers.
December 6 » Finland declares independence from Soviet Russia.
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/I108801.php : accessed October 24, 2026), "Johannes Brandsma (1896-1917)".
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