The temperature on April 6, 1912 was between 8.8 °C and 16.3 °C and averaged 11.8 °C. There was 4.5 hours of sunshine (34%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west. Source: KNMI
January 23 » The International Opium Convention is signed at The Hague.
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
August 14 » U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier.
September 2 » Arthur Rose Eldred is awarded the first Eagle Scout award of the Boy Scouts of America.
October 7 » The Helsinki Stock Exchange sees its first transaction.
October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
When copying data from this family tree, please include a reference to the origin: Nico van Gogh, "Family tree Dörr", database, Genealogy Online (https://www.genealogieonline.nl/dorr-stamboom/I385.php : accessed January 16, 2026), "Johanna Verwey (1912-)".
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