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.
May 5 » Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
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 Kumanovo concludes with the Serbian victory against the Ottoman Empire.
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.
November 27 » Spain declares a protectorate over the north shore of Morocco.
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
February 10 » Second Italo-Abyssinian War: Italian troops launched the Battle of Amba Aradam against Ethiopian defenders.
March 8 » Daytona Beach and Road Course holds its first oval stock car race.
July 11 » The Triborough Bridge in New York City is opened to traffic.
July 18 » On the Spanish mainland, a faction of the army supported by fascists, rises up against the Second Spanish Republic in a coup d'état starting the 3-year-long Civil War, resulting in the longest dictatorship in modern European history.
August 24 » The Australian Antarctic Territory is created.
October 27 » Mrs Wallis Simpson obtains her divorce, which would eventually allow her to marry King Edward VIII of the United Kingdom, thus forcing his abdication from the throne.
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.
February 2 » The international Ramsar Convention for the conservation and sustainable utilization of wetlands is signed in Ramsar, Mazandaran, Iran.
February 11 » Cold War: the Seabed Arms Control Treaty opened for signature outlawing nuclear weapons on the ocean floor in international waters.
February 26 » U.N. Secretary-General U Thant signs United Nations proclamation of the vernal equinox as Earth Day.
April 1 » Bangladesh Liberation War: The Pakistan Army massacre over 1,000 people in Keraniganj Upazila, Bangladesh.
August 9 » The Troubles: The British Army in Northern Ireland launches Operation Demetrius. Hundreds of people are arrested and interned, thousands are displaced, and twenty are killed in the violence that followed.
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 7, 2026), "Christiaan Lourens Dreyer (1912-1971)".
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