May 17 » Second Boer War: British troops relieve Mafeking.
May 22 » The Associated Press is formed in New York City as a non-profit news cooperative.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
September 8 » Galveston hurricane: A powerful hurricane hits Galveston, Texas killing about 8,000 people.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
December 18 » The Upper Ferntree Gully to Gembrook, Victoria Narrow-gauge (2ft 6 in or 762mm) Railway (now the Puffing Billy Railway) in Victoria, Australia is opened for traffic.
Day of death June 12, 1900
The temperature on June 12, 1900 was about 23.2 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 53%. Source: KNMI
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.
February 28 » The Second Boer War: The 118-day "Siege of Ladysmith" is lifted.
March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
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.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
August 14 » The Eight-Nation Alliance occupies Beijing, China, in a campaign to end the bloody Boxer Rebellion in China.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I107905.php : accessed October 20, 2026), "Janke de Haan (1900-1900)".
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