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.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
October 21 » The Republic of Formosa collapses as Japanese forces invade.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
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 May 13, 1920
The temperature on May 13, 1920 was between 7.4 °C and 16.2 °C and averaged 12.4 °C. There was 0.1 mm of rain. There was 4.8 hours of sunshine (31%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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 8 » The steel strike of 1919 ends in failure for the Amalgamated Association of Iron, Steel and Tin Workers labor union.
January 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
February 24 » The Nazi Party (NSDAP) was founded by Adolf Hitler in the Hofbräuhaus beer hall in Munich, Germany
May 2 » The first game of the Negro National League baseball is played in Indianapolis.
June 15 » Following the 1920 Schleswig plebiscites, Northern Schleswig is transferred from Germany to Denmark.
October 30 » The Communist Party of Australia is founded in Sydney.
Day of death March 19, 1935
The temperature on March 19, 1935 was between 4.3 °C and 14.3 °C and averaged 7.9 °C. There was 3.8 hours of sunshine (32%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
April 8 » The Works Progress Administration is formed when the Emergency Relief Appropriation Act of 1935 becomes law.
May 29 » First flight of the Messerschmitt Bf 109 fighter aeroplane.
July 5 » The National Labor Relations Act, which governs labor relations in the United States, is signed into law by President Franklin D. Roosevelt.
September 2 » The Labor Day Hurricane, the most intense hurricane to strike the United States, makes landfall at Long Key, Florida, killing at least 400.
September 17 » The Niagara Gorge Railroad ceases operations after a rockslide.
December 9 » Student protests in Beiping (now Beijing)'s Tiananmen Square, dispersed by government.
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/I188076.php : accessed October 7, 2026), "Baukje Kloppenburg (1895-1935)".
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