The temperature on June 20, 1913 was between 8.3 °C and 17.4 °C and averaged 12.8 °C. There was 8.5 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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.
February 20 » King O'Malley drives in the first survey peg to mark commencement of work on the construction of Canberra.
February 21 » Ioannina is incorporated into the Greek state after the Balkan Wars.
April 4 » First Balkan War: Greek aviator Emmanouil Argyropoulos becomes the first pilot to die in the Hellenic Air Force when his plane crashes.
July 4 » President Woodrow Wilson addresses American Civil War veterans at the Great Reunion of 1913.
November 5 » King Otto of Bavaria is deposed by his cousin, Prince Regent Ludwig, who assumes the title Ludwig III.
December 21 » Arthur Wynne's "word-cross", the first crossword puzzle, is published in the New York World.
Day of marriage May 19, 1938
The temperature on May 19, 1938 was between 3.9 °C and 12.5 °C and averaged 8.4 °C. There was 1.0 mm of rain during 0.7 hours. There was 1.8 hours of sunshine (11%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
March 12 » Anschluss: German troops occupy and absorb Austria.
June 7 » Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. Five hundred to nine hundred thousand civilians are killed.
June 23 » The Civil Aeronautics Act is signed into law, forming the Civil Aeronautics Authority in the United States.
July 20 » The United States Department of Justice files suit in New York City against the motion picture industry charging violations of the Sherman Antitrust Act in regards to the studio system. The case would eventually result in a break-up of the industry in 1948.
July 31 » Archaeologists discover engraved gold and silver plates from King Darius the Great in Persepolis.
September 27 » The ocean liner Queen Elizabeth is launched in Glasgow.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I136245.php : accessed October 22, 2026), "Jan van der Boon (1913-)".
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