February 27 » The British Labour Party is founded.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
March 18 » AFC Ajax Amsterdam, The Netherlands's biggest and most successful football club, was founded.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
May 26 » Thousand Days' War: The Colombian Conservative Party turns the tide of war in their favor with victory against the Colombian Liberal Party in the Battle of Palonegro.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of death March 11, 1900
The temperature on March 11, 1900 was about 13.4 °C. The airpressure was 77 cm mercury. The atmospheric humidity was 60%. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Jaap Geensen, "Geensen database", database, Genealogy Online (https://www.genealogieonline.nl/geensen-database/I2536.php : accessed October 22, 2026), "Pieter Geense (1900-1900)".
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