The temperature on May 20, 1915 was between 10.0 °C and 17.0 °C and averaged 13.2 °C. There was 1.5 hours of sunshine (9%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
January 13 » The 6.7 Mw Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
July 24 » The passenger ship SSEastland capsizes while tied to a dock in the Chicago River. A total of 844 passengers and crew are killed in the largest loss of life disaster from a single shipwreck on the Great Lakes.
July 28 » The United States begins a 19-year occupation of Haiti.
When copying data from this family tree, please include a reference to the origin: J. Post, "Genealogy Post-Oost", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-post-oost/I186006.php : accessed June 24, 2024), "Adrianus van Oeffelen (1879-????)".
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