The temperature on July 9, 1911 was between 10.2 °C and 18.0 °C and averaged 14.5 °C. There was 4.7 hours of sunshine (28%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
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.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
Day of death May 3, 1915
The temperature on May 3, 1915 was between -0.3 °C and 13.6 °C and averaged 7.6 °C. There was 12.9 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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.
January 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
March 18 » World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
May 17 » The last British Liberal Party government (led by H. H. Asquith) falls.
September 5 » The pacifist Zimmerwald Conference begins.
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/I18044.php : accessed October 5, 2026), "Antje Postma (1911-1915)".
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