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.
April 5 » Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
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.
Day of death October 23, 1900
The temperature on October 23, 1900 was about 10.4 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 88%. Source: KNMI
February 28 » The Second Boer War: The 118-day "Siege of Ladysmith" is lifted.
May 17 » The children's novel The Wonderful Wizard of Oz, by L. Frank Baum, is first published in the United States. The first copy is given to the author's sister.
May 23 » American Civil War: Sergeant William Harvey Carney is awarded the Medal of Honor for his heroism in the Assault on the Battery Wagner in 1863.
June 14 » The second German Naval Law calls for the Imperial German Navy to be doubled in size, resulting in an Anglo-German naval arms race.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
October 19 » Max Planck discovers Planck's law of black-body radiation.
When copying data from this family tree, please include a reference to the origin: J.G. Beemer , "Family tree Beemer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-beemer/I2131.php : accessed January 24, 2026), "Jacoba Maria van Arnhem (1900-1900)".
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