The temperature on April 17, 1911 was between 0.2 °C and 16.3 °C and averaged 9.9 °C. There was 7.9 hours of sunshine (56%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
November 19 » The Doom Bar in Cornwall claimed two ships, Island Maid and Angele, the latter killing the entire crew except the captain.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage October 17, 1938
The temperature on October 17, 1938 was between 10.3 °C and 16.6 °C and averaged 13.4 °C. There was 6.4 mm of rain during 3.4 hours. There was 1.2 hours of sunshine (11%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
May 26 » In the United States, the House Un-American Activities Committee begins its first session.
June 23 » The Civil Aeronautics Act is signed into law, forming the Civil Aeronautics Authority in the United States.
September 30 » The League of Nations unanimously outlaws "intentional bombings of civilian populations".
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.
December 13 » The Holocaust: The Neuengamme concentration camp opens in the Bergedorf district of Hamburg, Germany.
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/I138092.php : accessed October 24, 2026), "Jan Visser (1911-)".
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