The temperature on May 5, 1911 was between -0.2 °C and 15.8 °C and averaged 8.5 °C. There was 7.1 hours of sunshine (47%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I97903.php : accessed January 8, 2026), "Jan Mutsaars".
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