The temperature on February 16, 1911 was between -1.5 °C and 7.4 °C and averaged 3.6 °C. There was 6.2 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 31 » The President of Mexico Porfirio Díaz flees the country during the Mexican Revolution.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
September 29 » Italy declares war on the Ottoman Empire.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
November 1 » World's first combat aerial bombing mission takes place in Libya during the Italo-Turkish War. Second Lieutenant Giulio Gavotti of Italy drops several small bombs.
When copying data from this family tree, please include a reference to the origin: Coos van Spijk, "Family tree van Spijk en vele anderen!", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-spijk/I57845.php : accessed May 3, 2024), "Jan Slagter (1911-)".
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