The temperature on April 15, 1912 was between 2.7 °C and 11.6 °C and averaged 7.7 °C. There was 11.5 hours of sunshine (83%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
May 5 » Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
August 6 » The Bull Moose Party meets at the Chicago Coliseum.
October 17 » Bulgaria, Greece and Serbia declare war on the Ottoman Empire, joining Montenegro in the First Balkan War.
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.)
Day of marriage December 12, 1936
The temperature on December 12, 1936 was between -1.1 °C and 2.1 °C and averaged 0.5 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
February 26 » In the February 26 Incident, young Japanese military officers attempt to stage a coup against the government.
March 5 » First flight of K5054, the first prototype Supermarine Spitfire advanced monoplane fighter aircraft in the United Kingdom.
May 28 » Alan Turing submits On Computable Numbers for publication.
July 20 » The Montreux Convention is signed in Switzerland, authorizing Turkey to fortify the Dardanelles and Bosphorus but guaranteeing free passage to ships of all nations in peacetime.
August 3 » Jesse Owens wins the 100 metre dash, defeating Ralph Metcalfe, at the Berlin Olympics.
November 12 » In California, the San Francisco–Oakland Bay Bridge opens to traffic.
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/I18229.php : accessed January 26, 2026), "Christiaan Lourens Dreyer Roets (1912-)".
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