Family tree Kooistra » Sijtse Kooistra (1915-)

Birthday April 1, 1915

• The temperature on April 1, 1915 was between -4.0 °C and 11.5 °C and averaged 3.7 °C. There was 10.9 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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 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 1915: Source: Wikipedia
  • The Netherlands had about 6.3 million citizens.
  • January 24 » World War I: British Grand Fleet battle cruisers under Vice-Admiral Sir David Beatty engage Rear-Admiral Franz von Hipper's battle cruisers in the Battle of Dogger Bank.
  • February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
  • May 27 » HMS Princess Irene exploded and sank off Sheerness, Kent with the loss of 352 lives.
  • July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
  • July 28 » The United States begins a 19-year occupation of Haiti.
  • September 25 » World War I: The Second Battle of Champagne begins.

Source: Wikipedia

• 1911 » Augusta Braxton Baker, African American librarian († 1998)
• 1913 » Memos Makris, Greek sculptor († 1993)
• 1915 » O. W. Fischer, Austrian-Swiss actor and director († 2004)
• 1916 » Sheila May Edmonds, British mathematician († 2002)
• 1917 » Melville Shavelson, American director, producer, and screenwriter († 2007)
• 1917 » Sydney Newman, Canadian screenwriter and producer, co-created Doctor Who († 1997)