January 23 » Second Boer War: The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces ends in a British defeat.
February 7 » Second Boer War: British troops fail in their third attempt to lift the Siege of Ladysmith.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
June 21 » Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
Day of marriage December 9, 1925
The temperature on December 9, 1925 was between 0.9 °C and 3.6 °C and averaged 2.3 °C. There was 0.8 mm of rain. There was 0.4 hours of sunshine (5%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
March 18 » The Tri-State Tornado hits the Midwestern states of Missouri, Illinois, and Indiana, killing 695 people.
April 18 » The International Amateur Radio Union is formed in Paris.
June 16 » The most famous Young Pioneer camp of the Soviet Union, Artek, is established.
July 21 » Malcolm Campbell becomes the first man to exceed 150mph (241km/h) on land. At Pendine Sands in Wales, he drives Sunbeam 350HP built by Sunbeam at a two-way average speed of 150.33mph (242km/h).
August 5 » Plaid Cymru is formed with the aim of disseminating knowledge of the Welsh language that is at the time in danger of dying out.
November 5 » Secret agent Sidney Reilly, the first "super-spy" of the 20th century, is executed by the OGPU, the secret police of the Soviet Union.
Day of death January 19, 1944
The temperature on January 19, 1944 was between 3.2 °C and 5.5 °C and averaged 4.2 °C. There was 0.5 mm of rain during 0.8 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 29 » World War II: The Admiralty Islands are invaded in Operation Brewer led by American General Douglas MacArthur.
June 4 » World War II: A hunter-killer group of the United States Navy captures the German submarine U-505: The first time a U.S. Navy vessel had captured an enemy vessel at sea since the 19th century.
June 13 » World War II: The Battle of Villers-Bocage: German tank ace Michael Wittmann ambushes elements of the British 7th Armoured Division, destroying up to fourteen tanks, fifteen personnel carriers and two anti-tank guns in a Tiger I tank.
July 17 » Port Chicago disaster: Near the San Francisco Bay, two ships laden with ammunition for the war explode in Port Chicago, California, killing 320.
October 12 » World War II: The Axis occupation of Athens comes to an end.
December 31 » World War II: Operation Nordwind, the last major Wehrmacht offensive on the Western Front begins.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I56695.php : accessed February 11, 2026), "Grietje Slotboom (1900-1944)".
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