January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
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 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.
June 9 » Indian nationalist Birsa Munda dies of cholera in a British prison.
July 27 » Kaiser Wilhelm II makes a speech comparing Germans to Huns; for years afterwards, "Hun" would be a disparaging name for Germans.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
Day of death July 12, 1900
The temperature on July 12, 1900 was about 24.8 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 43%. Source: KNMI
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I172907.php : accessed February 17, 2026), "Hendrika Maria Blankenstijn (1900-1900)".
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