The temperature on September 13, 1912 was between 5.3 °C and 16.5 °C and averaged 10.9 °C. There was 3.1 hours of sunshine (24%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
February 12 » The Xuantong Emperor, the last Emperor of China, abdicates.
May 5 » Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
September 4 » Albanian rebels succeed in their revolt when the Ottoman Empire agrees to fulfill their demands
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
Day of death February 3, 1953
The temperature on February 3, 1953 was between -0.1 °C and 1.2 °C and averaged 0.6 °C. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
February 19 » Book censorship in the United States: The Georgia Literature Commission is established.
May 18 » Jackie Cochran becomes the first woman to break the sound barrier.
June 8 » The United States Supreme Court rules in District of Columbia v. John R. Thompson Co. that restaurants in Washington, D.C., cannot refuse to serve black patrons.
July 17 » The largest number of United States midshipman casualties in a single event results from an aircraft crash in Florida, killing 44.
September 12 » U.S. Senator and future President John Fitzgerald Kennedy marries Jacqueline Lee Bouvier at St. Mary's Church in Newport, Rhode Island.
October 1 » Andhra State is formed, consisting of a Telugu-speaking area carved out of India's Madras State.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I8196.php : accessed February 13, 2026), "Adriaan Arie Clement (1912-1953)".
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