February 4 » The Philippine–American War begins with the Battle of Manila.
February 16 » Iceland's first football club, Knattspyrnufélag Reykjavíkur, is founded.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
April 18 » The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.
May 8 » The Irish Literary Theatre in Dublin produced its first play.
Day of death July 1, 1900
The temperature on July 1, 1900 was about 15.1 °C. The airpressure was 75 cm mercury. The atmospheric humidity was 90%. Source: KNMI
January 6 » Second Boer War: Having already besieged the fortress at Ladysmith, Boer forces attack it, but are driven back by British defenders.
February 7 » A Chinese immigrant in San Francisco falls ill to bubonic plague in the first plague epidemic in the continental United States.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
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.
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: Hans Pruckmuller, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/van-willigen-stamboom/I292.php : accessed January 6, 2026), "Cornelis Wilhelmus de vreede (1899-1900)".
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