The temperature on March 10, 1926 was between 2.1 °C and 7.7 °C and averaged 4.9 °C. There was 1.1 mm of rain. There was 4.2 hours of sunshine (37%). The average windspeed was 6 Bft (strong wind) and was prevailing from the west-northwest. Source: KNMI
January 8 » Crown Prince Nguyễn Phúc Vĩnh Thuỵ ascends the throne to become the last monarch of Vietnam.
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).
June 28 » Mercedes-Benz is formed by Gottlieb Daimler and Karl Benz merging their two companies.
September 25 » The international Convention to Suppress the Slave Trade and Slavery is first signed.
October 31 » Last issue of the independent Italian newspaper Il Mondo, thereafter suppressed by the Mussolini regime
Day of death May 25, 1955
The temperature on May 25, 1955 was between 5.3 °C and 13.6 °C and averaged 9.2 °C. There was 13.2 hours of sunshine (82%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
April 12 » The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective.
May 9 » Cold War: West Germany joins NATO.
June 11 » Eighty-three spectators are killed and at least 100 are injured after an Austin-Healey and a Mercedes-Benz collide at the 24 Hours of Le Mans, the deadliest ever accident in motorsports.
September 16 » A Zulu-class submarine becomes the first to launch a ballistic missile.
September 16 » The military coup to unseat President Juan Perón of Argentina is launched at midnight.
December 5 » E. D. Nixon and Rosa Parks lead the Montgomery Bus Boycott.
When copying data from this family tree, please include a reference to the origin: Hans Pruckmuller, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/van-willigen-stamboom/I11520.php : accessed March 17, 2026), "Francisca Frederika Heinrich (1904-1955)".
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