January 5 » Dreyfus affair: French army officer Alfred Dreyfus is stripped of his rank and sentenced to life imprisonment on Devil's Island.
January 12 » The National Trust is founded in the United Kingdom.
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.
April 8 » In Pollock v. Farmers' Loan & Trust Co. the Supreme Court of the United States declares unapportioned income tax to be unconstitutional.
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.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of marriage February 19, 1919
The temperature on February 19, 1919 was between -0.5 °C and 2.2 °C and averaged 1.1 °C. There was 0.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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 15 » Rosa Luxemburg and Karl Liebknecht, two of the most prominent socialists in Germany, are tortured and murdered by the Freikorps at the end of the Spartacist uprising.
January 21 » A revolutionary Irish parliament is founded and declares the independence of the Irish Republic. One of the first engagements of the Irish War of Independence takes place.
February 21 » German socialist Kurt Eisner is assassinated. His death results in the establishment of the Bavarian Soviet Republic and parliament and government fleeing Munich, Germany.
September 10 » Austria and the Allies sign the Treaty of Saint-Germain-en-Laye recognizing the independence of Poland, Hungary, Czechoslovakia and Yugoslavia.
November 7 » The first Palmer Raid is conducted on the second anniversary of the Russian Revolution. Over 10,000 suspected communists and anarchists are arrested in 23 U.S. cities.
December 21 » American anarchist Emma Goldman is deported to Russia.
Day of death June 21, 1970
The temperature on June 21, 1970 was between 8.9 °C and 25.9 °C and averaged 18.5 °C. There was 7.0 hours of sunshine (42%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
March 28 » An earthquake strikes western Turkey at about 23:05 local time, killing 1,086 and injuring 1,260.
June 4 » Tonga gains independence from the United Kingdom.
October 16 » Canadian Prime Minister Pierre Trudeau invokes the War Measures Act during the October Crisis.
November 4 » Vietnam War: The United States turns over control of the air base at Bình Thủy in the Mekong Delta to South Vietnam.
November 12 » The Oregon Highway Division attempts to destroy a rotting beached Sperm whale with explosives, leading to the now infamous "exploding whale" incident.
December 23 » The Democratic Republic of the Congo officially becomes a one-party state.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I12894.php : accessed February 16, 2026), "Hendrika Petronella Boeren (1895-1970)".
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