The temperature on June 17, 1912 was between 5.1 °C and 17.0 °C and averaged 11.3 °C. There was 1.6 mm of rain. There was 7.2 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
August 14 » U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier.
October 11 » First Balkan War: The day after the Battle of Sarantaporo, Greek troops liberate the city of Kozani.
November 19 » First Balkan War: The Serbian Army captures Bitola, ending the five-century-long Ottoman rule of Macedonia.
Day of death April 9, 1954
The temperature on April 9, 1954 was between 0.5 °C and 13.0 °C and averaged 6.8 °C. There was 11.5 hours of sunshine (85%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
May 7 » Indochina War: The Battle of Dien Bien Phu ends in a French defeat and a Viet Minh victory (the battle began on March 13).
July 15 » First flight of the Boeing 367-80, prototype for both the Boeing 707 and C-135 series.
July 20 » Germany: Otto John, head of West Germany's secret service, defects to East Germany.
September 11 » Hurricane Edna hits New England as a Category 2 hurricane, causing significant damage and 29 deaths.
December 2 » Cold War: The United States Senate votes 65 to 22 to censure Joseph McCarthy for "conduct that tends to bring the Senate into dishonor and disrepute".
December 23 » First successful kidney transplant is performed by J. Hartwell Harrison and Joseph Murray.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I201474.php : accessed February 15, 2026), "Jan Nijenmanting (1912-1954)".
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