The temperature on May 21, 1911 was between 6.5 °C and 17.7 °C and averaged 11.8 °C. There was 11.1 hours of sunshine (70%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
May 23 » The New York Public Library is dedicated.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
October 13 » Prince Arthur, Duke of Connaught and Strathearn, becomes the first Governor General of Canada of royal descent.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
Day of marriage June 1, 1935
The temperature on June 1, 1935 was between 5.4 °C and 16.2 °C and averaged 11.5 °C. There was 4.9 hours of sunshine (30%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
May 24 » The first night game in Major League Baseball history is played in Cincinnati, Ohio, with the Cincinnati Reds beating the Philadelphia Phillies 2–1 at Crosley Field.
June 25 » Colombia–Soviet Union relations are established.
September 17 » The Niagara Gorge Railroad ceases operations after a rockslide.
November 9 » The Congress of Industrial Organizations is founded in Atlantic City, New Jersey, by eight trade unions belonging to the American Federation of Labor.
November 24 » The Senegalese Socialist Party holds its second congress.
December 18 » The Lanka Sama Samaja Party is founded in Ceylon.
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/I120917.php : accessed October 24, 2026), "Doetje Datema (1911-)".
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