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.
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
October 22 » In Paris an express train derails after overrunning the buffer stop, crossing almost 30 metres (100ft) of concourse before crashing through a wall and falling 10 metres (33ft) to the road below.
November 5 » George B. Selden is granted the first U.S. patent for an automobile.
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 March 9, 1921
The temperature on March 9, 1921 was between 4.8 °C and 9.9 °C and averaged 6.9 °C. There was 2.2 hours of sunshine (19%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-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.
April 11 » Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan.
May 3 » West Virginia becomes the first state to legislate a broad sales tax, but does not implement it until a number of years later due to enforcement issues.
May 8 » The creation of the Communist Party of Romania.
August 3 » Major League Baseball Commissioner Kenesaw Mountain Landis confirms the ban of the eight Chicago Black Sox, the day after they were acquitted by a Chicago court.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
November 11 » The Tomb of the Unknowns is dedicated by US President Warren G. Harding at Arlington National Cemetery.
Day of death April 20, 1942
The temperature on April 20, 1942 was between 3.7 °C and 16.6 °C and averaged 10.0 °C. There was 0.1 mm of rain. There was 4.0 hours of sunshine (28%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 19 » World War II: United States President Franklin D. Roosevelt signs executive order 9066, allowing the United States military to relocate Japanese Americans to internment camps.
February 28 » The heavy cruiser USSHouston is sunk in the Battle of Sunda Strait with 693 crew members killed, along with HMASPerth which lost 375 men.
March 18 » The War Relocation Authority is established in the United States to take Japanese Americans into custody.
April 17 » French prisoner of war General Henri Giraud escapes from his castle prison in Königstein Fortress.
June 28 » World War II: Nazi Germany starts its strategic summer offensive against the Soviet Union, codenamed Case Blue.
November 28 » In Boston, Massachusetts, a fire in the Cocoanut Grove nightclub kills 492 people.
When copying data from this family tree, please include a reference to the origin: Jaap van Tuyll, "Descendants Ponse", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-ponse/I5072.php : accessed February 17, 2026), "Dina Korsuize (1895-1942)".
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