January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
March 14 » Pelican Island National Wildlife Refuge, the first national wildlife refuge in the US, is established by President Theodore Roosevelt.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
September 11 » The first race at the Milwaukee Mile in West Allis, Wisconsin is held. It is the oldest major speedway in the world.
October 31 » The Purdue Wreck, a railroad train collision in Indianapolis, kills 17 people, including 14 players of the Purdue University football team.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
Day of marriage April 17, 1926
The temperature on April 17, 1926 was between 4.8 °C and 12.4 °C and averaged 7.6 °C. There was 2.9 mm of rain. There was 4.9 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
March 14 » The El Virilla train accident, Costa Rica, kills 248 people and wounds another 93 when a train falls off a bridge over the Río Virilla between Heredia and Tibás.
May 18 » Evangelist Aimee Semple McPherson disappears in Venice, California.
August 5 » Harry Houdini performs his greatest feat, spending 91 minutes underwater in a sealed tank before escaping.
August 20 » Japan's public broadcasting company, Nippon Hōsō Kyōkai (NHK) is established.
October 14 » The children's book Winnie-the-Pooh, by A. A. Milne, is first published.
November 11 » The United States Numbered Highway System is established.
Day of death August 23, 1926
The temperature on August 23, 1926 was between 11.5 °C and 20.9 °C and averaged 15.8 °C. There was 11.5 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 15 » The dictator Theodoros Pangalos is elected President of Greece without opposition.
April 6 » Varney Airlines makes its first commercial flight (Varney is the root company of United Airlines).
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.)
May 18 » Evangelist Aimee Semple McPherson disappears in Venice, California.
June 23 » The College Board administers the first SAT exam.
November 11 » The United States Numbered Highway System is established.
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I542229.php : accessed January 27, 2026), "Signe Petronella Martinsson (1903-1926)".
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