The temperature on March 23, 1911 was between 2.9 °C and 9.8 °C and averaged 5.6 °C. There was 5.5 hours of sunshine (45%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
May 19 » Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
October 13 » Prince Arthur, Duke of Connaught and Strathearn, becomes the first Governor General of Canada of royal descent.
Day of death April 1, 1911
The temperature on April 1, 1911 was between 1.0 °C and 14.8 °C and averaged 6.6 °C. There was 5.6 hours of sunshine (43%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Marc Willemsen, "Marc Willemsen family tree", database, Genealogy Online (https://www.genealogieonline.nl/marc-willemsen-family-tree/I267.php : accessed May 14, 2025), "Maria Elisabeth Willemsen (1911-1911)".
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