The temperature on August 29, 1912 was between 9.7 °C and 19.7 °C and averaged 15.1 °C. There was 6.9 mm of rain. There was 3.2 hours of sunshine (23%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 23 » The International Opium Convention is signed at The Hague.
August 6 » The Bull Moose Party meets at the Chicago Coliseum.
October 3 » U.S. forces defeat Nicaraguan rebels at the Battle of Coyotepe Hill.
October 14 » Former president Theodore Roosevelt is shot and mildly wounded by John Flammang Schrank. With the fresh wound in his chest, and the bullet still within it, Roosevelt delivers his scheduled speech.
October 24 » First Balkan War: The Battle of Kirk Kilisse concludes with a Bulgarian victory against the Ottoman Empire.
November 12 » The frozen bodies of Robert Scott and his men are found on the Ross Ice Shelf in Antarctica.
Day of marriage January 25, 1936
The temperature on January 25, 1936 was between 2.3 °C and 7.7 °C and averaged 5.2 °C. There was 3.3 mm of rain during 3.2 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
March 16 » Warmer-than-normal temperatures rapidly melt snow and ice on the upper Allegheny and Monongahela rivers, leading to a major flood in Pittsburgh.
May 9 » Italy formally annexes Ethiopia after taking the capital Addis Ababa on May 5.
September 14 » Raoul Villain, who assassinated the French Socialist Jean Jaures, is himself killed by Spanish Republicans in Ibiza
November 12 » In California, the San Francisco–Oakland Bay Bridge opens to traffic.
December 5 » The Soviet Union adopts a new constitution and the Kirghiz Soviet Socialist Republic is established as a full Union Republic of the USSR.
December 30 » The United Auto Workers union stages its first sitdown strike.
Day of death December 9, 1971
The temperature on December 9, 1971 was between 2.1 °C and 9.2 °C and averaged 5.9 °C. There was 2.2 mm of rain during 7.5 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
February 2 » Idi Amin replaces President Milton Obote as leader of Uganda.
September 8 » In Washington, D.C., the John F. Kennedy Center for the Performing Arts is inaugurated, with the opening feature being the premiere of Leonard Bernstein's Mass.
September 28 » The Parliament of the UK passes the Misuse of Drugs Act 1971, banning the medicinal use of cannabis.
November 23 » Representatives of the People's Republic of China attend the United Nations, including the United Nations Security Council, for the first time.
November 24 » During a severe thunderstorm over Washington state, a hijacker calling himself Dan Cooper (aka D. B. Cooper) parachutes from a Northwest Orient Airlines plane with $200,000 in ransom money. He has never been found.
December 5 » Battle of Gazipur: Pakistani forces stand defeated as India cedes Gazipur to Bangladesh.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I518923.php : accessed February 5, 2026), "Christiaan Lourens Dreyer (1912-1971)".
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