The temperature on February 1, 1911 was between -8.0 °C and 1.7 °C and averaged -2.1 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
January 3 » A magnitude 7.7 earthquake destroys the city of Almaty in Russian Turkestan.
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
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.
September 29 » Italy declares war on the Ottoman Empire.
When copying data from this family tree, please include a reference to the origin: Ferry Posthuma Scholtes, "Family tree Posthuma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-posthuma/R919.php : accessed December 26, 2025), "Elisabeth Johanna Jacoba Posthuma (1911-)".
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