The temperature on December 31, 1919 was between 3.6 °C and 10.0 °C and averaged 7.3 °C. There was 8.6 mm of rain. There was 0.6 hours of sunshine (8%). The average windspeed was 6 Bft (strong wind) 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 16 » Polish–Soviet War: The Polish army launches the Vilna offensive to capture Vilnius in modern Lithuania.
June 21 » Admiral Ludwig von Reuter scuttles the German fleet at Scapa Flow, Orkney. The nine sailors killed are the last casualties of World War I.
June 28 » The Treaty of Versailles is signed, ending the state of war between Germany and the Allies of World War I.
July 23 » Prince Regent Aleksander Karađorđević signs the decree establishing the University of Ljubljana
September 11 » United States Marine Corps invades Honduras.
September 18 » Fritz Pollard becomes the first African American to play professional football for a major team, the Akron Pros.
Day of marriage August 9, 1951
The temperature on August 9, 1951 was between 13.6 °C and 18.3 °C and averaged 15.3 °C. There was 30.1 mm of rain during 11.0 hours. There was 0.5 hours of sunshine (3%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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).
In The Netherlands , there was from March 15, 1951 to September 2, 1952 the cabinet Drees I, with Dr. W. Drees (PvdA) as prime minister.
January 6 » Korean War: Beginning of the Ganghwa massacre, in the course of which an estimated 200–1,300 South Korean communist sympathizers are slaughtered.
January 27 » Nuclear testing at the Nevada Test Site begins with Operation Ranger.
January 31 » United Nations Security Council Resolution 90 relating to Korean War is adopted.
February 27 » The Twenty-second Amendment to the United States Constitution, limiting Presidents to two terms, is ratified.
March 3 » Jackie Brenston, with Ike Turner and his band, records "Rocket 88", often cited as "the first rock and roll record", at Sam Phillips's recording studios in Memphis, Tennessee.
June 14 » UNIVAC I is dedicated by the U.S. Census Bureau.
Day of death May 25, 1956
The temperature on May 25, 1956 was between 10.0 °C and 12.4 °C and averaged 11.1 °C. There was 13.7 mm of rain during 16.1 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
April 5 » Cuban Revolution: Fidel Castro declares himself at war with Cuban President Fulgencio Batista.
April 5 » In Sri Lanka, the Mahajana Eksath Peramuna win the general elections in a landslide and S. W. R. D. Bandaranaike is sworn in as the Prime Minister of Ceylon.
August 27 » The nuclear power station at Calder Hall in the United Kingdom was connected to the national power grid becoming the world's first commercial nuclear power station to generate electricity on an industrial scale.
September 13 » The dike around the Dutch polder East Flevoland is closed.
September 16 » TCN-9 Sydney is the first Australian television station to commence regular broadcasts.
October 17 » Bobby Fischer defeats Donald Byrne in the chess Game of the Century.
When copying data from this family tree, please include a reference to the origin: Aart van Rumpt, "Family tree Van Rumpt", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-rumpt/I28403.php : accessed March 10, 2026), "hendrik pieter jacobus den iseger (1919-1956)".
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