January 12 » The National Trust is founded in the United Kingdom.
April 8 » In Pollock v. Farmers' Loan & Trust Co. the Supreme Court of the United States declares unapportioned income tax to be unconstitutional.
April 24 » Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
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 marriage June 7, 1919
The temperature on June 7, 1919 was between 10.0 °C and 24.5 °C and averaged 17.7 °C. There was 0.1 mm of rain. There was 10.5 hours of sunshine (63%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. 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.
January 22 » Act Zluky is signed, unifying the Ukrainian People's Republic and the West Ukrainian National Republic.
July 11 » The eight-hour day and free Sunday become law for workers in the Netherlands.
August 8 » The Anglo-Afghan Treaty of 1919 is signed. It establishes peaceful relations between Afghanistan and the UK, and confirms the Durand line as the mutual border. In return, the UK is no longer obligated to subsidize the Afghan government.
September 11 » United States Marine Corps invades Honduras.
October 17 » RCA is incorporated as the Radio Corporation of America.
December 21 » American anarchist Emma Goldman is deported to 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/I78551.php : accessed October 21, 2026), "Annechiena Alberdina de Groot (1895-????)".
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