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 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
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 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
October 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
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 6 » The Nefertiti Bust is discovered.
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
June 15 » First flight of the Vickers Wellington bomber.
July 6 » A major breach of the Manchester Bolton & Bury Canal in England sends millions of gallons of water cascading 200 feet (61m) into the River Irwell.
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 10 » Spanish Civil War: The Regional Defence Council of Aragon is dissolved by the Spanish Republic.
December 7 » Australian cricketer Jack Fingleton becomes the first player to score centuries in four consecutive Test innings.
December 11 » Abdication Crisis: Edward VIII's abdication as King of the United Kingdom and the British Dominions beyond the Seas, and Emperor of India, becomes effective.
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 21, 2026), "Christiaan Lourens Dreyer Roets (1912-)".
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