February 6 » The Permanent Court of Arbitration, an international arbitration court at The Hague, is created when the Senate of the Netherlands ratifies an 1899 peace conference decree.
March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
March 13 » British forces occupy Bloemfontein, Orange Free State, during the Second Boer War.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
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.
Day of death May 22, 1900
The temperature on May 22, 1900 was about 16.8 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 53%. Source: KNMI
January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
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 9 » The Davis Cup competition is established.
April 15 » Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
May 1 » The Scofield Mine disaster kills over 200 men in Scofield, Utah in what is to date the fifth-worst mining accident in United States history.
November 7 » The People's Party is founded in Cuba.
When copying data from this family tree, please include a reference to the origin: Christophe, "Arbre Chatelain", database, Genealogy Online (https://www.genealogieonline.nl/arbre-chatelain/I4869.php : accessed October 10, 2026), "Marie Marguerite LHUILLIER (1900-1900)".
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