The temperature on March 27, 1909 was between 0.2 °C and 8.6 °C and averaged 3.9 °C. There was 6.6 hours of sunshine (52%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
April 13 » The military of the Ottoman Empire reverses the Ottoman countercoup of 1909 to force the overthrow of Sultan Abdul Hamid II.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
June 2 » Alfred Deakin becomes Prime Minister of Australia for the third time.
August 19 » The first automobile race at the Indianapolis Motor Speedway.
September 30 » The Cunard Line's RMS Mauretania makes a record-breaking westbound crossing of the Atlantic, that will not be bettered for 20 years.
Day of marriage September 17, 1938
The temperature on September 17, 1938 was between 4.8 °C and 19.0 °C and averaged 11.9 °C. There was 8.4 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
April 25 » U.S. Supreme Court delivers its opinion in Erie Railroad Co. v. Tompkins and overturns a century of federal common law.
April 30 » The animated cartoon short Porky's Hare Hunt debuts in movie theaters, introducing Happy Rabbit, an early version of Bugs Bunny.
September 30 » Britain, France, Germany and Italy sign the Munich Agreement, whereby Germany annexes the Sudetenland region of Czechoslovakia.
September 30 » The League of Nations unanimously outlaws "intentional bombings of civilian populations".
October 30 » Orson Welles broadcasts his radio play of H. G. Wells's The War of the Worlds, causing anxiety in some of the audience in the United States.
December 17 » Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.
When copying data from this family tree, please include a reference to the origin: Jon Vandenberg, "Vandenberg Tree", database, Genealogy Online (https://www.genealogieonline.nl/vandenberg-tree/R86.php : accessed October 20, 2026), "Martin Vanderploeg (1909-)".
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