March 22 » Before the Société pour L'Encouragement à l'Industrie, brothers Auguste and Louis Lumière demonstrate movie film technology publicly for the first time.
April 8 » In Pollock v. Farmers' Loan & Trust Co. the Supreme Court of the United States declares unapportioned income tax to be unconstitutional.
May 25 » Playwright, poet and novelist Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to serve two years in prison.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
October 21 » The Republic of Formosa collapses as Japanese forces invade.
Day of death May 28, 1950
The temperature on May 28, 1950 was between 9.2 °C and 14.1 °C and averaged 11.2 °C. There was 3.0 mm of rain during 2.5 hours. There was 7.8 hours of sunshine (48%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 13 » Finland forms diplomatic relations with the People's Republic of China.
February 8 » Cold War: The Stasi, the secret police of East Germany, is established.
August 24 » Edith Sampson becomes the first black U.S. delegate to the United Nations.
September 4 » Darlington Raceway is the site of the inaugural Southern 500, the first 500-mile NASCAR race.
November 1 » Puerto Rican nationalists Griselio Torresola and Oscar Collazo attempt to assassinate US President Harry S. Truman at Blair House.
November 21 » Two Canadian National Railway trains collide in northeastern British Columbia in the Canoe River train crash; the death toll is 21, with 17 of them Canadian troops bound for Korea.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I14178.php : accessed January 26, 2026), "Jan Barend du Plessies (1866-1950)".
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