March 1 » Henri Becquerel discovers radioactive decay.
April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
December 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
Day of marriage April 28, 1921
The temperature on April 28, 1921 was between 8.4 °C and 20.1 °C and averaged 14.4 °C. There was 11.9 hours of sunshine (81%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. 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 9 » Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia.
March 31 » The Royal Australian Air Force is formed.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
July 11 » Former president of the United States William Howard Taft is sworn in as 10th chief justice of the U.S. Supreme Court, becoming the only person ever to hold both offices.
August 3 » Major League Baseball Commissioner Kenesaw Mountain Landis confirms the ban of the eight Chicago Black Sox, the day after they were acquitted by a Chicago court.
October 18 » The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.
Day of death October 12, 1945
The temperature on October 12, 1945 was between 4.4 °C and 14.9 °C and averaged 10.6 °C. There was 0.1 mm of rain. There was 4.4 hours of sunshine (40%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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).
February 3 » World War II: The United States and the Philippine Commonwealth begin a month-long battle to retake Manila from Japan.
March 6 » World War II: Cologne is captured by American troops. On the same day, Operation Spring Awakening, the last major German offensive of the war, begins.
March 10 » World War II: The U.S. Army Air Force firebombs Tokyo, and the resulting conflagration kills more than 100,000 people, mostly civilians.
April 30 » World War II: Stalag Luft I prisoner-of-war camp near Barth, Germany is liberated by Soviet soldiers, freeing nearly 9000 American and British airmen.
September 30 » The Bourne End rail crash, in Hertfordshire, England, kills 43
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I445762.php : accessed February 13, 2026), "Aaltje Kluiver (1896-1945)".
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