The temperature on June 19, 1935 was between 10.6 °C and 17.9 °C and averaged 14.0 °C. There was 0.1 mm of rain during 0.1 hours. There was 5.5 hours of sunshine (33%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
February 28 » DuPont scientist Wallace Carothers invents nylon.
April 14 » The Black Sunday dust storm, considered one of the worst storms of the Dust Bowl, swept across the Oklahoma and Texas panhandles and neighboring areas.
May 31 » A 7.7 Mw earthquake destroys Quetta in modern-day Pakistan killing 40,000.
October 19 » The League of Nations places economic sanctions on Italy for its invasion of Ethiopia.
October 20 » The Long March, a mammoth retreat undertaken by the armed forces of the Chinese Communist Party a year prior, ends.
November 24 » The Senegalese Socialist Party holds its second congress.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I526817.php : accessed February 6, 2026), "Pieter Dirk Herman Hauman Hamman (1850-1935)".
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