February 23 » Cuba leases Guantánamo Bay to the United States "in perpetuity".
April 26 » Atlético Madrid Association football club is founded
September 11 » The first race at the Milwaukee Mile in West Allis, Wisconsin is held. It is the oldest major speedway in the world.
November 18 » The Hay–Bunau-Varilla Treaty is signed by the United States and Panama, giving the United States exclusive rights over the Panama Canal Zone.
December 17 » The Wright brothers make the first controlled powered, heavier-than-air flight in the Wright Flyer at Kitty Hawk, North Carolina.
December 30 » A fire at the Iroquois Theater in Chicago, Illinois kills at least 605.
Day of marriage January 2, 1926
The temperature on January 2, 1926 was between 5.8 °C and 9.7 °C and averaged 8.7 °C. There was 8.9 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 26 » The first demonstration of the television by John Logie Baird.
May 9 » Admiral Richard E. Byrd and Floyd Bennett claim to have flown over the North Pole (later discovery of Byrd's diary appears to cast some doubt on the claim.)
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
October 14 » The children's book Winnie-the-Pooh, by A. A. Milne, is first published.
November 15 » The NBC radio network opens with 24 stations.
November 25 » The deadliest November tornado outbreak in U.S. history kills 76 people and injures more than 400.
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/I114437.php : accessed October 24, 2026), "Pieter de Groot (1903-)".
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