The temperature on May 29, 1911 was between 12.9 °C and 25.9 °C and averaged 19.7 °C. There was 13.6 hours of sunshine (83%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
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.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
Day of death December 29, 1914
The temperature on December 29, 1914 was between 2.0 °C and 8.0 °C and averaged 4.6 °C. There was 6.1 mm of rain. The average windspeed was 6 Bft (strong wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
August 5 » In Cleveland, Ohio, the first electric traffic light is installed.
August 15 » The Panama Canal opens to traffic with the transit of the cargo ship SSAncon.
September 3 » French composer Albéric Magnard is killed defending his estate against invading German soldiers.
November 1 » World War I: The Australian Imperial Force (AIF) departed by ship in a single convoy from Albany, Western Australia bound for Egypt.
December 8 » World War I: A squadron of Britain's Royal Navy defeats the Imperial German East Asia Squadron in the Battle of the Falkland Islands in the South Atlantic.
When copying data from this family tree, please include a reference to the origin: Elizabeth Sobon, "Dagosto/Dimirra/Weckerle/Kuhn Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/dagosto-dimirra-weckerle-kuhn-family-tree/P3897.php : accessed May 12, 2025), "John Lawrence Pfeffer (1911-1914)".
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