The temperature on December 27, 1911 was between 0.5 °C and 7.7 °C and averaged 4.2 °C. There was 5.8 mm of rain. There was 2.8 hours of sunshine (36%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
Day of death December 9, 1958
The temperature on December 9, 1958 was between 1.8 °C and 7.2 °C and averaged 4.4 °C. There was 14.4 mm of rain during 6.1 hours. There was 1.9 hours of sunshine (24%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 22 » Egypt and Syria join to form the United Arab Republic.
March 26 » The United States Army launches Explorer 3.
April 5 » Ripple Rock, an underwater threat to navigation in the Seymour Narrows in Canada is destroyed in one of the largest non-nuclear controlled explosions of the time.
May 22 » The 1958 riots in Ceylon become a watershed in the race relations of various ethnic communities of Sri Lanka. The total deaths is estimated at 300, mostly Tamils.
June 16 » Imre Nagy, Pál Maléter and other leaders of the 1956 Hungarian Uprising are executed.
December 1 » The Our Lady of the Angels School fire in Chicago kills 92 children and three nuns.
When copying data from this family tree, please include a reference to the origin: Jan De Backer, "Family tree De Backer - Evers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-backer-evers/I9469.php : accessed January 24, 2026), "Petronella Maria van Veldhoven (1911-1958)".
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