The temperature on April 22, 1911 was between 8.2 °C and 20.0 °C and averaged 13.2 °C. There was 6.2 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
May 19 » Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
When copying data from this family tree, please include a reference to the origin: Simone, "Family tree Zijlmans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-zijlmans/I4053.php : accessed May 14, 2025), "Martinus Johannes van Hoek (1911-)".
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