January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
January 16 » The United States Senate accepts the Anglo-German treaty of 1899 in which the United Kingdom renounces its claims to the Samoan islands.
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.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
August 16 » The Battle of Elands River during the Second Boer War ends after a 13-day siege is lifted by the British. The battle had begun when a force of between 2,000 and 3,000 Boers had surrounded a force of 500 Australians, Rhodesians, Canadians and British soldiers at a supply dump at Brakfontein Drift.
Day of death October 18, 1900
The temperature on October 18, 1900 was about 10.8 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. Source: KNMI
February 27 » Second Boer War: In South Africa, British military leaders receive an unconditional notice of surrender from Boer General Piet Cronjé at the Battle of Paardeberg.
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.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
June 5 » Second Boer War: British soldiers take Pretoria.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
July 19 » The first line of the Paris Métro opens for operation.
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/I107932.php : accessed October 12, 2026), "Lemke de Boer (1900-1900)".
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