The temperature on May 4, 1911 was between 4.0 °C and 14.5 °C and averaged 9.9 °C. There was 9.5 mm of rain. There was 7.7 hours of sunshine (51%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
May 31 » The President of Mexico Porfirio Díaz flees the country during the Mexican Revolution.
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 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
When copying data from this family tree, please include a reference to the origin: Hans van Ekelenburg, "Family tree Van Ekelenburg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-ekelenburg/I5354.php : accessed March 16, 2026), "Willem Vaes (1877-????)".
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