February 6 » Spanish–American War: The Treaty of Paris, a peace treaty between the United States and Spain, is ratified by the United States Senate.
March 6 » Bayer registers "Aspirin" as a trademark.
June 7 » American Temperance crusader Carrie Nation begins her campaign of vandalizing alcohol-serving establishments by destroying the inventory in a saloon in Kiowa, Kansas.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
November 28 » The Second Boer War: a British column is engaged by Boer forces at the Battle of Modder River; although the Boers withdraw, the British suffer heavy casualties.
Day of death May 10, 1900
The temperature on May 10, 1900 was about 12.9 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 52%. 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.
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.
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 5 » Second Boer War: British soldiers take Pretoria.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
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/I130614.php : accessed December 30, 2025), "Gabe Lammert Haanstra (1899-1900)".
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