The temperature on April 11, 1911 was between 0.9 °C and 11.9 °C and averaged 5.9 °C. There was 0.1 mm of rain. There was 9.1 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
March 25 » In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
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 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
When copying data from this family tree, please include a reference to the origin: Walraven Koster, "Family tree Koster, Grotenhuis, Meerhof, Boersma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koster-grotenhuis/I969.php : accessed June 1, 2024), "Jozina Cornelia Nuijs".
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