The temperature on December 17, 1911 was between 5.4 °C and 9.9 °C and averaged 7.7 °C. There was 0.2 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 15 » Palestinian Arabic-language Falastin newspaper founded.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I5888.php : accessed October 17, 2026), "JOHANNIS BOELE (1911-)".
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