January 10 » The first great Texas oil gusher is discovered at Spindletop in Beaumont, Texas.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
August 28 » Silliman University is founded in the Philippines. It is the first American private school in the country.
September 28 » Philippine–American War: Filipino guerrillas kill more than forty American soldiers while losing 28 of their own.
October 12 » President Theodore Roosevelt officially renames the "Executive Mansion" to the White House.
November 18 » Britain and the United States sign the Hay–Pauncefote Treaty, which nullifies the Clayton–Bulwer Treaty and withdraws British objections to an American-controlled canal in Panama.
Day of death April 23, 1912
The temperature on April 23, 1912 was between 5.8 °C and 19.1 °C and averaged 12.2 °C. There was 12.1 hours of sunshine (84%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
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/I113762.php : accessed January 2, 2026), "Hendrik Willem Knevelman (1901-1912)".
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