Family tree Klavers » Siena de Roo (1938-1939)

Personal data Siena de Roo 


Household of Siena de Roo

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Timeline Siena de Roo

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Ancestors (and descendant) of Siena de Roo

Jan de Roo
1864-1918
Siena Kloeze
1868-1925
Jacob Klunder
1870-1924

Siena de Roo
1938-1939


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Historical events

  • The temperature on June 21, 1938 was between 6.9 °C and 23.3 °C and averaged 15.9 °C. There was 14.1 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
  • In the year 1938: Source: Wikipedia
    • The Netherlands had about 8.6 million citizens.
    • 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 31 » Archaeologists discover engraved gold and silver plates from King Darius the Great in Persepolis.
    • September 12 » Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
    • September 21 » The Great Hurricane of 1938 makes landfall on Long Island in New York. The death toll is estimated at 500–700 people.
    • September 27 » The ocean liner Queen Elizabeth is launched in Glasgow.
    • September 30 » The League of Nations unanimously outlaws "intentional bombings of civilian populations".
  • The temperature on April 4, 1939 was between 7.6 °C and 13.5 °C and averaged 10.1 °C. There was 15.1 mm of rain during 5.8 hours. There was 1.3 hours of sunshine (10%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
  • In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
  • In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
  • In the year 1939: Source: Wikipedia
    • The Netherlands had about 8.7 million citizens.
    • June 1 » First flight of the German Focke-Wulf Fw 190 fighter aircraft.
    • June 12 » The Baseball Hall of Fame opens in Cooperstown, New York.
    • July 28 » The Sutton Hoo helmet is discovered.
    • November 15 » In Washington, D.C., US President Franklin D. Roosevelt lays the cornerstone of the Jefferson Memorial.
    • December 24 » World War II: Pope Pius XII makes a Christmas Eve appeal for peace.
    • December 27 » Winter War: Finland holds off a Soviet attack in the Battle of Kelja.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname De Roo

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The Family tree Klavers publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I28009.php : accessed February 1, 2026), "Siena de Roo (1938-1939)".