The temperature on October 4, 1911 was between 6.0 °C and 14.8 °C and averaged 9.9 °C. There was 0.7 mm of rain. There was 4.9 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 15 » Palestinian Arabic-language Falastin newspaper founded.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
May 23 » The New York Public Library is dedicated.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I248917.php : accessed February 23, 2026), "Willem Martens (1911-)".
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