The temperature on September 20, 1910 was between 5.7 °C and 15.7 °C and averaged 10.8 °C. There was 0.8 mm of rain. There was 9.7 hours of sunshine (78%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
March 1 » The deadliest avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
April 28 » Frenchman Louis Paulhan wins the 1910 London to Manchester air race, the first long-distance aeroplane race in England.
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
August 22 » Korea is annexed by Japan with the signing of the Japan–Korea Treaty of 1910, beginning a period of Japanese rule of Korea that lasted until the end of World War II.
September 22 » The Duke of York's Picture House opens in Brighton, now the oldest continually operating cinema in Britain.
October 20 » The hull of the RMSOlympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast.
Day of marriage July 26, 1930
The temperature on July 26, 1930 was between 8.2 °C and 22.0 °C and averaged 16.1 °C. There was 0.4 mm of rain during 0.1 hours. There was 9.4 hours of sunshine (59%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 30 » The Politburo of the Soviet Union orders the extermination of the Kulaks.
March 13 » The news of the discovery of Pluto is announced by Lowell Observatory.
May 7 » The 7.1 Mw Salmas earthquake shakes northwestern Iran and southeastern Turkey with a maximum Mercalli intensity of IX (Violent). Up to three-thousand people were killed.
October 3 » The German Socialist Labour Party in Poland – Left is founded.
November 3 » Getúlio Vargas becomes Head of the Provisional Government in Brazil after a bloodless coup on October 24.
November 11 » Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator.
When copying data from this family tree, please include a reference to the origin: Jaap van Tuyll, "Descendants Proost", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-proost/I420.php : accessed January 25, 2026), "Jelle Jurjens Proost (1910-)".
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