Family tree Koster Twijslerheide e.o. » Johannes Koster (1921-1994)

Birthday May 21, 1921

• The temperature on May 21, 1921 was between 2.0 °C and 19.1 °C and averaged 12.6 °C. There was 12.7 hours of sunshine (80%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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 September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
• In the year 1921: Source: Wikipedia
  • The Netherlands had about 6.9 million citizens.
  • February 15 » Kingdom of Romania establishes its legation in Helsinki.
  • March 8 » Spanish Prime Minister Eduardo Dato Iradier is assassinated while exiting the parliament building in Madrid.
  • June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
  • June 20 » Workers of Buckingham and Carnatic Mills in the city of Chennai, India, begin a four-month strike.
  • August 23 » British airship R-38 experiences structural failure over Hull in England and crashes in the Humber Estuary. Of her 49 British and American training crew, only four survive.
  • September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.

Source: Wikipedia

• 1919 » George P. Mitchell, American businessman and philanthropist († 2013)
• 1920 » Bill Barber, American tuba player and educator († 2007)
• 1920 » Forrest White, American businessman, co-founded the Music Man Company († 1994)
• 1921 » Andrei Sakharov, Russian physicist and academic, Nobel Prize laureate († 1989)
• 1921 » Sandy Douglas, English computer scientist and academic, designed OXO († 2010)
• 1923 » Vernon Biever, American photographer († 2010)