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.
January 15 » Great Molasses Flood: A wave of molasses released from an exploding storage tank sweeps through Boston, Massachusetts, killing 21 and injuring 150.
February 26 » President Woodrow Wilson signs an act of Congress establishing the Grand Canyon National Park.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
September 4 » Mustafa Kemal Atatürk, who founded the Republic of Turkey, gathers a congress in Sivas to make decisions as to the future of Anatolia and Thrace.
September 18 » Fritz Pollard becomes the first African American to play professional football for a major team, the Akron Pros.
December 17 » Uruguay becomes a signatory to the Buenos Aires copyright treaty.
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.
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.
March 7 » Korean War: Operation Ripper: United Nations troops led by General Matthew Ridgway begin an assault against Chinese forces.
March 28 » First Indochina War: In the Battle of Mạo Khê, French Union forces, led by World War II hero Jean de Lattre de Tassigny, inflict a defeat on Việt Minh forces commanded by General Võ Nguyên Giáp.
March 29 » Ethel and Julius Rosenberg are convicted of conspiracy to commit espionage.
October 3 » Korean War: The First Battle of Maryang San pits Commonwealth troops against communist Chinese troops.
November 2 » Six thousand British troops arrive in Suez after the Egyptian government abrogates the Anglo-Egyptian treaty of 1936.
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
January 4 » The Greek National Radical Union is formed by Konstantinos Karamanlis.
February 20 » The United States Merchant Marine Academy becomes a permanent Service Academy.
March 9 » Soviet forces suppress mass demonstrations in the Georgian SSR, reacting to Nikita Khrushchev's de-Stalinization policy.
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
June 11 » Start of Gal Oya riots, the first reported ethnic riots that target minority Sri Lankan Tamils in the Eastern Province. The total number of deaths is reportedly 150.
October 17 » The first commercial nuclear power station is officially opened by Queen Elizabeth II in Sellafield, England.
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 4, 2026), "hendrik pieter jacobus den iseger (1919-1956)".
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