The temperature on May 21, 1937 was between 8.8 °C and 21.2 °C and averaged 15.5 °C. There was 5.6 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
June 15 » A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.
November 1 » Stalinists execute Pastor Paul Hamberg and seven members of Azerbaijan's Lutheran community.
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.
December 16 » Theodore Cole and Ralph Roe attempt to escape from the American federal prison on Alcatraz Island in San Francisco Bay; neither is ever seen again.
December 21 » Snow White and the Seven Dwarfs, the world's first full-length animated feature, premieres at the Carthay Circle Theatre.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I80701.php : accessed January 19, 2026), "Martinus van de Weijer (1912-)".
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