The temperature on April 25, 1912 was between 6.3 °C and 19.2 °C and averaged 12.5 °C. There was 12.6 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
March 12 » The Girl Guides (later renamed the Girl Scouts of the USA) are founded in the United States.
June 8 » Carl Laemmle incorporates Universal Pictures.
July 8 » Henrique Mitchell de Paiva Couceiro leads an unsuccessful royalist attack against the First Portuguese Republic in Chaves.
November 7 » The Deutsche Opernhaus (now Deutsche Oper Berlin) opens in the Berlin neighborhood of Charlottenburg, with a production of Beethoven's Fidelio.
When copying data from this family tree, please include a reference to the origin: Chris Merricks, "Merricks Tree", database, Genealogy Online (https://www.genealogieonline.nl/merricks-tree/I242298578098.php : accessed February 1, 2026), "Dirk Jansen (1912-)".
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