February 28 » The Second Boer War: The 118-day "Siege of Ladysmith" is lifted.
March 18 » AFC Ajax Amsterdam, The Netherlands's biggest and most successful football club, was founded.
April 2 » The United States Congress passes the Foraker Act, giving Puerto Rico limited self-rule.
May 26 » Thousand Days' War: The Colombian Conservative Party turns the tide of war in their favor with victory against the Colombian Liberal Party in the Battle of Palonegro.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
Day of marriage March 17, 1927
The temperature on March 17, 1927 was between 0.2 °C and 13.8 °C and averaged 7.2 °C. There was 9.4 hours of sunshine (79%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
April 30 » The Federal Industrial Institute for Women opens in Alderson, West Virginia, as the first women's federal prison in the United States.
May 4 » The Academy of Motion Picture Arts and Sciences is incorporated.
May 22 » Near Xining, China, an 8.3 magnitude earthquake causes 200,000 deaths in one of the world's most destructive earthquakes.
September 5 » The first Oswald the Lucky Rabbit cartoon, Trolley Troubles, produced by Walt Disney, is released by Universal Pictures.
November 12 » Leon Trotsky is expelled from the Soviet Communist Party, leaving Joseph Stalin in undisputed control of the Soviet Union.
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/I66337.php : accessed January 29, 2026), "Jeichien de Jonge (1900-)".
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