February 7 » Second Boer War: British troops fail in their third attempt to lift the Siege of Ladysmith.
February 23 » Second Boer War: During the Battle of the Tugela Heights, the first British attempt to take Hart's Hill fails.
February 27 » The British Labour Party is founded.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
June 14 » Hawaii becomes a United States territory.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of death January 20, 1925
The temperature on January 20, 1925 was between -0.4 °C and 5.3 °C and averaged 2.2 °C. There was 2.3 hours of sunshine (27%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
February 21 » The New Yorker publishes its first issue.
March 18 » The Tri-State Tornado hits the Midwestern states of Missouri, Illinois, and Indiana, killing 695 people.
March 21 » The Butler Act prohibits the teaching of human evolution in Tennessee.
April 26 » Paul von Hindenburg defeats Wilhelm Marx in the second round of the German presidential election to become the first directly elected head of state of the Weimar Republic.
June 16 » The most famous Young Pioneer camp of the Soviet Union, Artek, is established.
November 28 » The Grand Ole Opry begins broadcasting in Nashville, Tennessee, as the WSM Barn Dance.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I84811.php : accessed October 19, 2026), "Jans Koops (1900-1925)".
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