April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
Day of marriage September 4, 1914
The temperature on September 4, 1914 was between 7.5 °C and 21.0 °C and averaged 14.4 °C. There was 8.3 hours of sunshine (62%). 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.
January 9 » The Phi Beta Sigma fraternity is founded by African-American students at Howard University in Washington D.C., United States.
May 29 » The Ocean liner RMSEmpress of Ireland sinks in the Gulf of Saint Lawrence with the loss of 1,012 lives.
August 1 » The German Empire declares war on the Russian Empire at the opening of World War I. The Swiss Army mobilizes because of World War I.
August 12 » World War I: The United Kingdom declares war on Austria-Hungary; the countries of the British Empire follow suit.
August 17 » World War I: Battle of Stallupönen: The German army of General Hermann von François defeats the Russian force commanded by Paul von Rennenkampf near modern-day Nesterov, Russia.
December 25 » A series of unofficial truces occur across the Western Front to celebrate Christmas.
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/I75614.php : accessed October 14, 2026), "Sieuwke Boonstra (1896-????)".
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