Family tree Zweijndregt » Catholina Lena Johanna van Dien (1891-????)

Day of marriage December 20, 1917

• The temperature on December 20, 1917 was between -10.8 °C and -3.7 °C and averaged -6.9 °C. There was 0.1 mm of rain. There was 3.2 hours of sunshine (41%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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 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.
• In the year 1917: Source: Wikipedia
  • The Netherlands had about 6.5 million citizens.
  • January 19 » Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
  • March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
  • April 6 » World War I: The United States declares war on Germany (see President Woodrow Wilson's address to Congress).
  • June 7 » World War I: Battle of Messines: Allied soldiers detonate a series of mines underneath German trenches at Messines Ridge, killing 10,000 German troops.
  • October 4 » World War I: The Battle of Broodseinde is fought between the British and German armies in Flanders.
  • November 25 » World War I: German forces defeat Portuguese army of about 1,200 at Negomano on the border of modern-day Mozambique and Tanzania.