The temperature on August 19, 1911 was between 11.1 °C and 22.3 °C and averaged 17.0 °C. There was 8.6 hours of sunshine (59%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
January 30 » The destroyer USSTerry makes the first airplane rescue at sea saving the life of Douglas McCurdy ten miles from Havana, Cuba.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
Day of marriage April 25, 1938
The temperature on April 25, 1938 was between 3.7 °C and 13.1 °C and averaged 7.8 °C. There was 0.4 mm of rain during 0.3 hours. There was 5.2 hours of sunshine (36%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
April 30 » The animated cartoon short Porky's Hare Hunt debuts in movie theaters, introducing Happy Rabbit, an early version of Bugs Bunny.
July 17 » Douglas Corrigan takes off from Brooklyn to fly the "wrong way" to Ireland and becomes known as "Wrong Way" Corrigan.
August 20 » Lou Gehrig hits his 23rd career grand slam, a record that stood for 75 years until it was broken by Alex Rodriguez.
October 14 » The first flight of the Curtiss P-40 Warhawk fighter plane.
October 30 » Orson Welles broadcasts his radio play of H. G. Wells's The War of the Worlds, causing anxiety in some of the audience in the United States.
November 16 » LSD is first synthesized by Albert Hofmann from ergotamine at the Sandoz Laboratories in Basel.
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/I208246.php : accessed October 12, 2026), "Willem Swieringa (1911-)".
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