January 5 » Dreyfus affair: French army officer Alfred Dreyfus is stripped of his rank and sentenced to life imprisonment on Devil's Island.
February 24 » Revolution breaks out in Baire, a town near Santiago de Cuba, beginning the Cuban War of Independence, that ends with the Spanish–American War in 1898.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
November 28 » The first American automobile race takes place over the 54 miles from Chicago's Jackson Park to Evanston, Illinois. Frank Duryea wins in approximately 10 hours.
Day of death July 21, 1914
The temperature on July 21, 1914 was between 14.2 °C and 27.7 °C and averaged 21.2 °C. There was 8.2 hours of sunshine (51%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-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.
July 11 » Babe Ruth makes his debut in Major League Baseball.
August 15 » The Panama Canal opens to traffic with the transit of the cargo ship SSAncon.
August 25 » World War I: The library of the Catholic University of Leuven is deliberately destroyed by the German Army. Hundreds of thousands of irreplaceable volumes and Gothic and Renaissance manuscripts are lost.
September 9 » World War I: The creation of the Canadian Automobile Machine Gun Brigade, the first fully mechanized unit in the British Army.
November 15 » Harry Turner becomes the first player to die from game-related injuries in the "Ohio League", the direct predecessor to the National Football League.
December 15 » World War I: The Serbian Army recaptures Belgrade from the invading Austro-Hungarian Army.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I16624.php : accessed March 11, 2026), "Heiko Poort (1895-1914)".
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