February 16 » Iceland's first football club, Knattspyrnufélag Reykjavíkur, is founded.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
July 29 » The First Hague Convention is signed.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
November 29 » FC Barcelona is founded by Catalan, Spanish and Englishmen. It later develops into one of Spanish football's most iconic and strongest teams.
December 11 » Second Boer War: In the Battle of Magersfontein the Boers commanded by general Piet Cronjé inflict a defeat on the forces of the British Empire commanded by Lord Methuen trying to relieve the Siege of Kimberley.
Day of death July 23, 1900
The temperature on July 23, 1900 was about 18.4 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. Source: KNMI
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 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
June 25 » The Taoist monk Wang Yuanlu discovers the Dunhuang manuscripts, a cache of ancient texts that are of great historical and religious significance, in the Mogao Caves of Dunhuang, China.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
September 8 » Galveston hurricane: A powerful hurricane hits Galveston, Texas killing about 8,000 people.
When copying data from this family tree, please include a reference to the origin: Peter Wolf, "Family tree Wolf", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-peter-wolf/I947.php : accessed March 18, 2026), "Willem Appeldoorn (1899-1900)".
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