The temperature on June 20, 1912 was between 13.2 °C and 18.0 °C and averaged 15.8 °C. There was 3.2 mm of rain. There was 5.9 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
September 25 » Columbia University Graduate School of Journalism is founded in New York City.
November 2 » Bulgaria defeats the Ottoman Empire in the Battle of Lule Burgas, the bloodiest battle of the First Balkan War, which opens her way to Constantinople.
December 3 » Bulgaria, Greece, Montenegro, and Serbia (the Balkan League) sign an armistice with the Ottoman Empire, temporarily halting the First Balkan War. (The armistice will expire on February 3, 1913, and hostilities will resume.)
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
Day of death May 7, 1953
The temperature on May 7, 1953 was between 2.9 °C and 13.2 °C and averaged 8.7 °C. There was 2.4 hours of sunshine (16%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 13 » An article appears in Pravda accusing some of the most prestigious and prominent doctors, mostly Jews, in the Soviet Union of taking part in a vast plot to poison members of the top Soviet political and military leadership.
January 19 » Almost 72 percent of all television sets in the United States are tuned into I Love Lucy to watch Lucy give birth.
May 25 » The first public television station in the United States officially begins broadcasting as KUHT from the campus of the University of Houston.
July 7 » Ernesto "Che" Guevara sets out on a trip through Bolivia, Peru, Ecuador, Panama, Costa Rica, Nicaragua, Honduras, and El Salvador.
October 1 » Andhra State is formed, consisting of a Telugu-speaking area carved out of India's Madras State.
December 8 » U.S. President Dwight D. Eisenhower delivers his "Atoms for Peace" speech, which leads to an American program to supply equipment and information on nuclear power to schools, hospitals, and research institutions around the world.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I6288.php : accessed February 4, 2026), "Jacoba Gerdina Krijgsman (1912-1953)".
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