The temperature on October 21, 1911 was between 8.2 °C and 17.2 °C and averaged 12.8 °C. There was 1.3 mm of rain. There was 3.6 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 15 » Palestinian Arabic-language Falastin newspaper founded.
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
May 23 » The New York Public Library is dedicated.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
Day of marriage September 17, 1932
The temperature on September 17, 1932 was between 12.5 °C and 23.6 °C and averaged 17.0 °C. There was 6.4 hours of sunshine (51%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
May 23 » In Brazil, four students are shot and killed during a manifestation against the Brazilian dictator Getúlio Vargas, which resulted in the outbreak of the Constitutionalist Revolution several weeks later.
July 1 » Australia's national broadcaster, the Australian Broadcasting Corporation, was formed.
July 8 » The Dow Jones Industrial Average reaches its lowest level of the Great Depression, closing at 41.22.
July 29 » Great Depression: In Washington, D.C., troops disperse the last of the "Bonus Army" of World War I veterans.
November 8 » Franklin D. Roosevelt is elected as the 32nd President of the United States, defeating incumbent president Herbert Hoover.
When copying data from this family tree, please include a reference to the origin: Wim de Vries, "Family tree Kaempff", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaempff/I138.php : accessed February 13, 2026), "Johanna Duiker (1911-)".
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