The temperature on May 18, 1955 was between 4.1 °C and 10.0 °C and averaged 6.4 °C. There was 1.9 mm of rain during 3.9 hours. There was 2.3 hours of sunshine (15%). The heavily clouded was. The average windspeed was 6 Bft (strong wind) and was prevailing from the southwest. Source: KNMI
May 25 » In the United States, a night-time F5 tornado strikes the small city of Udall, Kansas, killing 80 and injuring 273. It is the deadliest tornado to ever occur in the state and the 23rd deadliest in the U.S.
July 9 » The Russell–Einstein Manifesto calls for a reduction of the risk of nuclear warfare.
July 17 » Disneyland is dedicated and opened by Walt Disney in Anaheim, California.
September 25 » The Royal Jordanian Air Force is founded.
December 8 » The Flag of Europe is adopted by Council of Europe.
When copying data from this family tree, please include a reference to the origin: Wesley Brown, "The Brown Tree", database, Genealogy Online (https://www.genealogieonline.nl/the-brown-tree/P6584.php : accessed February 6, 2026), "Edwin LANDLESS (1876-1955)".
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