January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
February 18 » Second Boer War: Imperial forces suffer their worst single-day loss of life on Bloody Sunday, the first day of the Battle of Paardeberg.
February 27 » The British Labour Party is founded.
March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
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 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
Day of death September 18, 1900
The temperature on September 18, 1900 was about 24.4 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
April 14 » The Exposition Universelle begins.
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 18 » The United Kingdom proclaims a protectorate over Tonga.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
When copying data from this family tree, please include a reference to the origin: Anjo Reininga, "Family tree Reininga", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-reininga/I70.php : accessed February 25, 2026), "Adrianus Johannes Jacobus Keyzer (1900-1900)".
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