The temperature on January 31, 1914 was between 0.8 °C and 7.7 °C and averaged 4.1 °C. There was 7.0 hours of sunshine (78%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
July 18 » The U.S. Congress forms the Aviation Section, U.S. Signal Corps, giving official status to aircraft within the U.S. Army for the first time.
July 29 » The Cape Cod Canal opened.
August 15 » The Panama Canal opens to traffic with the transit of the cargo ship SSAncon.
August 15 » World War I: The First Russian Army, led by Paul von Rennenkampf, enters East Prussia.
August 23 » World War I: Japan declares war on Germany.
August 24 » World War I: German troops capture Namur.
Day of marriage September 30, 1946
The temperature on September 30, 1946 was between 12.5 °C and 17.0 °C and averaged 14.3 °C. There was 0.3 mm of rain during 0.8 hours. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
January 31 » The Democratic Republic of Vietnam introduces the đồng to replace the French Indochinese piastre at par.
February 22 » The "Long Telegram", proposing how the United States should deal with the Soviet Union, arrives from the US embassy in Moscow.
May 21 » Physicist Louis Slotin is fatally irradiated in a criticality incident during an experiment with the demon core at Los Alamos National Laboratory.
July 4 » After 381 years of near-continuous colonial rule by various powers, the Philippines attains full independence from the United States.
July 15 » State of North Borneo, today in Sabah, Malaysia, annexed by the United Kingdom.
September 20 » The first Cannes Film Festival is held, having been delayed seven years due to World War II.
Day of death February 24, 1981
The temperature on February 24, 1981 was between -4.2 °C and 0.1 °C and averaged -1.6 °C. There was 0.8 mm of rain during 3.1 hours. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
March 5 » The ZX81, a pioneering British home computer, is launched by Sinclair Research and would go on to sell over 1⁄2 million units around the world.
April 26 » Dr. Michael R. Harrison of the University of California, San Francisco Medical Center performs the world's first human open fetal surgery.
June 27 » The Central Committee of the Communist Party of China issues its "Resolution on Certain Questions in the History of Our Party Since the Founding of the People's Republic of China", laying the blame for the Cultural Revolution on Mao Zedong.
June 28 » A powerful bomb explodes in Tehran, killing 73 officials of the Islamic Republican Party.
October 20 » Two police officers and an armored car guard are killed during an armed robbery carried out by members of the Black Liberation Army and Weather Underground.
November 23 » Iran–Contra affair: Ronald Reagan signs the top secret National Security Decision Directive 17 (NSDD-17), giving the Central Intelligence Agency the authority to recruit and support Contra rebels in Nicaragua.
When copying data from this family tree, please include a reference to the origin: Jos Soree, "Family tree Sorée", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-soree/I889.php : accessed February 14, 2026), "Mathijs Michael "Mathijs" Groot (1914-1981)".
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