January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
April 20 » Pierre and Marie Curie refine radium chloride.
May 8 » In Martinique, Mount Pelée erupts, destroying the town of Saint-Pierre and killing over 30,000 people. Only a handful of residents survive the blast.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of death January 31, 1951
The temperature on January 31, 1951 was between 0.4 °C and 1.9 °C and averaged 1.3 °C. The almost completely overcast was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north. 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.
February 6 » The Canadian Army enters combat in the Korean War.
April 25 » Korean War: Assaulting Chinese forces are forced to withdraw after heavy fighting with UN forces, primarily made up of Australian and Canadian troops, at the Battle of Kapyong.
April 29 » Tibetan delegates to the Central People's Government arrive in Beijing and draft a Seventeen Point Agreement for Chinese sovereignty and Tibetan autonomy.
September 1 » The United States, Australia and New Zealand sign a mutual defense pact, called the ANZUS Treaty.
November 1 » Operation Buster–Jangle: Six thousand five hundred American soldiers are exposed to 'Desert Rock' atomic explosions for training purposes in Nevada. Participation is not voluntary.
November 2 » Canada in the Korean War: A platoon of The Royal Canadian Regiment defends a vital area against a full battalion of Chinese troops in the Battle of the Song-gok Spur. The engagement lasts into the early hours the next day.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I321798.php : accessed March 6, 2026), "Hendrikus Willemen (1902-1951)".
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