The temperature on May 11, 1915 was between 3.3 °C and 19.0 °C and averaged 12.0 °C. There was 13.4 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
April 5 » Boxing challenger Jess Willard knocks out Jack Johnson in Havana, Cuba to become the Heavyweight Champion of the World.
May 6 » Babe Ruth, then a pitcher for the Boston Red Sox, hits his first major league home run.
May 9 » World War I: Second Battle of Artois between German and French forces.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
September 15 » The Empire Picture Theatre (now The New Empire Cinema), the oldest running cinema in mainland Australia, opens in Bowral, New South Wales.
October 14 » World War I: Bulgaria joins the Central Powers.
When copying data from this family tree, please include a reference to the origin: Pierre de Jongh, "Family tree De Jongh", database, Genealogy Online (https://www.genealogieonline.nl/de-jongh-stamboom/I72.php : accessed March 9, 2026), "Catharina Jannetje de Jongh (1915-)".
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