The temperature on July 17, 1912 was between 13.3 °C and 28.1 °C and averaged 21.6 °C. There was 11.8 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
January 17 » British polar explorer Captain Robert Falcon Scott reaches the South Pole, one month after Roald Amundsen.
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
May 18 » The first Indian film, Shree Pundalik by Dadasaheb Torne, is released in Mumbai.
November 2 » Bulgaria defeats the Ottoman Empire in the Battle of Lule Burgas, the bloodiest battle of the First Balkan War, which opens her way to Constantinople.
November 27 » Spain declares a protectorate over the north shore of Morocco.
Day of marriage September 17, 1938
The temperature on September 17, 1938 was between 4.8 °C and 19.0 °C and averaged 11.9 °C. There was 8.4 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 18 » Second Sino-Japanese War: During the Nanking Massacre, the Nanking Safety Zone International Committee is renamed "Nanking International Rescue Committee", and the safety zone in place for refugees falls apart.
March 3 » Oil is discovered in Saudi Arabia.
April 10 » The 1938 German parliamentary election and referendum seeks approval for a single list of Nazi candidates and the recent annexation of Austria.
June 25 » Dr. Douglas Hyde is inaugurated as the first President of Ireland.
October 31 » Great Depression: In an effort to restore investor confidence, the New York Stock Exchange unveils a fifteen-point program aimed to upgrade protection for the investing public.
November 9 » The Nazi German diplomat Ernst vom Rath dies from gunshot wounds by Herschel Grynszpan, an act which the Nazis used as an excuse to instigate the 1938 national pogrom, also known as Kristallnacht.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I310146.php : accessed February 2, 2026), "Hendrik Koops (1912-)".
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