The temperature on April 14, 1937 was between 9.3 °C and 13.0 °C and averaged 10.7 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
March 18 » The New London School explosion in New London, Texas, kills 300 people, mostly children.
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
October 9 » Murder of 9 Catholic priests in Zhengding, China, who protected the local population from the advancing Japanese army.
December 9 » Second Sino-Japanese War: Battle of Nanking: Japanese troops under the command of Lt. Gen. Asaka Yasuhiko launch an assault on the Chinese city of Nanjing (Nanking).
December 13 » Second Sino-Japanese War: Battle of Nanking: The city of Nanjing, defended by the National Revolutionary Army under the command of General Tang Shengzhi, falls to the Japanese. This is followed by the Nanking Massacre, in which Japanese troops rape and slaughter hundreds of thousands of civilians.
When copying data from this family tree, please include a reference to the origin: W.M.M. Braun, "Family tree Braun", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-braun/I55949.php : accessed March 4, 2026), "Wijnand Jacob Krook (± 1914-)".
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