June 17 » The United States Navy Hospital Corps is established.
August 24 » Count Muravyov, Foreign Minister of Russia presents a rescript that convoked the First Hague Peace Conference.
August 28 » Caleb Bradham's beverage "Brad's Drink" is renamed "Pepsi-Cola".
September 13 » Hannibal Goodwin patents celluloid photographic film.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
December 10 » Spanish–American War: The Treaty of Paris is signed, officially ending the conflict.
Day of marriage September 7, 1921
The temperature on September 7, 1921 was between 4.8 °C and 25.2 °C and averaged 15.9 °C. There was 11.4 hours of sunshine (86%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
July 11 » A truce in the Irish War of Independence comes into effect.
August 23 » British airship R-38 experiences structural failure over Hull in England and crashes in the Humber Estuary. Of her 49 British and American training crew, only four survive.
October 18 » The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.
December 6 » The Anglo-Irish Treaty is signed in London by British and Irish representatives.
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/I98516.php : accessed January 29, 2026), "Justinus Elisa Wassenburg (1898-????)".
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