The temperature on December 7, 1912 was between 3.7 °C and 6.1 °C and averaged 4.8 °C. There was 0.1 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
January 11 » Immigrant textile workers in Lawrence, Massachusetts, go on strike when wages are reduced in response to a mandated shortening of the work week.
May 5 » Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
June 8 » Carl Laemmle incorporates Universal Pictures.
September 28 » The Ulster Covenant is signed by some 500,000 Ulster Protestant Unionists in opposition to the Third Irish Home Rule Bill.
October 7 » The Helsinki Stock Exchange sees its first transaction.
Day of death June 13, 1914
The temperature on June 13, 1914 was between 14.2 °C and 25.0 °C and averaged 19.1 °C. There was 10.6 hours of sunshine (64%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
July 4 » The funeral of Archduke Franz Ferdinand and his wife Sophie takes place in Vienna, six days after their assassinations in Sarajevo.
September 1 » St. Petersburg, Russia, changes its name to Petrograd.
September 3 » World War I: Start of the Battle of Grand Couronné, a German assault against French positions on high ground near the city of Nancy.
September 14 » HMASAE1, the Royal Australian Navy's first submarine, was lost at sea with all hands near East New Britain, Papua New Guinea.
November 15 » Harry Turner becomes the first player to die from game-related injuries in the "Ohio League", the direct predecessor to the National Football League.
November 16 » The Federal Reserve Bank of the United States officially opens.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I2188.php : accessed September 25, 2026), "Gerben Hamstra (1912-1914)".
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