The temperature on July 4, 1937 was between 13.6 °C and 21.9 °C and averaged 18.0 °C. There was 9.3 hours of sunshine (56%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
March 8 » Spanish Civil War: The Battle of Guadalajara begins.
April 1 » Aden becomes a British crown colony.
April 1 » Spanish Civil War: Jaén, Spain is bombed by German fascist forces, supporting Francoist Nationalists.
May 6 » Hindenburg disaster: The German zeppelin Hindenburg catches fire and is destroyed within a minute while attempting to dock at Lakehurst, New Jersey. Thirty-six people are killed.
May 30 » Memorial Day massacre: Chicago police shoot and kill ten labor demonstrators.
September 10 » Nine nations attend the Nyon Conference to address international piracy in the Mediterranean Sea.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I7023.php : accessed February 4, 2026), "Nn Mulder (1937-1937)".
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