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
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
January 28 » United States troops leave Cuba with the exception of Guantanamo Bay Naval Base after being there since the Spanish–American War.
June 26 » The Science Museum in London comes into existence as an independent entity.
August 7 » Alice Huyler Ramsey and three friends become the first women to complete a transcontinental auto trip, taking 59 days to travel from New York, New York to San Francisco, California.
August 24 » Workers start pouring concrete for the Panama Canal.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
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
February 4 » Adolf Hitler appoints himself as head of the Armed Forces High Command.
June 24 » Pieces of a meteorite land near Chicora, Pennsylvania. The meteorite is estimated to have weighed 450metric tons when it hit the Earth's atmosphere and exploded.
July 3 » United States President Franklin D. Roosevelt dedicates the Eternal Light Peace Memorial and lights the eternal flame at Gettysburg Battlefield.
July 17 » Douglas Corrigan takes off from Brooklyn to fly the "wrong way" to Ireland and becomes known as "Wrong Way" Corrigan.
October 10 » Abiding by the Munich Agreement, Czechoslovakia completes its withdrawal from the Sudetenland.
October 14 » The first flight of the Curtiss P-40 Warhawk fighter plane.
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 10, 2026), "Martin Vanderploeg (1909-)".
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