The temperature on February 23, 1911 was between 6.1 °C and 9.5 °C and averaged 7.8 °C. There was 4.0 mm of rain. There was 0.6 hours of sunshine (6%). The average windspeed was 6 Bft (strong wind) and was prevailing from the southwest. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
Day of marriage August 29, 1936
The temperature on August 29, 1936 was between 7.1 °C and 25.3 °C and averaged 17.1 °C. There was 12.5 hours of sunshine (90%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
January 8 » Kashf-e hijab decree is made and immediately enforced by Reza Shah, Iran's head of state, banning the wearing of Islamic veils in public.
March 29 » Adolf Hitler receives 99% of the votes in the 1936 German parliamentary election and referendum.
June 15 » First flight of the Vickers Wellington bomber.
July 21 » Spanish Civil War: The Central Committee of Antifascist Militias of Catalonia is constituted, establishing an anarcho-syndicalist economy in Catalonia.
July 22 » Spanish Civil War: The Popular Executive Committee of Valencia takes power in the Valencian Community.
September 7 » The last thylacine, a carnivorous marsupial named Benjamin, dies alone in its cage at the Hobart Zoo in Tasmania.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I211715.php : accessed October 20, 2026), "Renger Boersma (1911-)".
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