The temperature on December 11, 1909 was between -2.0 °C and 2.3 °C and averaged 0.2 °C. There was 0.5 hours of sunshine (6%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
February 12 » The National Association for the Advancement of Colored People (NAACP) is founded.
February 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
March 4 » U.S. President William Taft used what became known as a Saxbe fix, a mechanism to avoid the restriction of the U.S. Constitution's Ineligibility Clause, to appoint Philander C. Knox as U.S. Secretary of State.
September 23 » The novel Le Fantôme de l'Opéra (The Phantom of the Opera), by Gaston Leroux, is published as a serialization in Le Gaulois.
November 18 » Two United States warships are sent to Nicaragua after 500 revolutionaries (including two Americans) are executed by order of José Santos Zelaya.
Day of death April 24, 1971
The temperature on April 24, 1971 was between 6.6 °C and 12.9 °C and averaged 9.9 °C. There was 6.0 mm of rain during 10.1 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
February 9 » The 6.5–6.7 Mw Sylmar earthquake hits the Greater Los Angeles Area with a maximum Mercalli intensity of XI (Extreme), killing 64 and injuring 2,000.
March 12 » The 1971 Turkish military memorandum is sent to the Süleyman Demirel government of Turkey and the government resigns.
May 1 » Amtrak (the National Railroad Passenger Corporation) takes over operation of U.S. passenger rail service.
August 10 » The Society for American Baseball Research is founded in Cooperstown, New York.
October 12 » The 2,500 year celebration of the Persian Empire begins.
December 6 » Pakistan severs diplomatic relations with India, initiating the Indo-Pakistani War of 1971.
Day of burial April 27, 1971
The temperature on April 27, 1971 was between 1.4 °C and 9.5 °C and averaged 5.2 °C. There was 0.9 mm of rain during 1.7 hours. There was 6.3 hours of sunshine (43%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Alexander Roessen, "Family tree Roessen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-roessen/I375.php : accessed January 29, 2026), "Petrus Jacobus Roessen (1909-1971)".
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