Family tree Klavers » Jan Koops (1920-< 2019)

Birthday April 9, 1920

• The temperature on April 9, 1920 was between 9.1 °C and 17.1 °C and averaged 12.3 °C. There was 3.7 mm of rain. There was 0.4 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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 1920: Source: Wikipedia
  • The Netherlands had about 6.8 million citizens.
  • January 19 » The American Civil Liberties Union (ACLU) is founded.
  • January 28 » Foundation of the Spanish Legion.
  • May 7 » Kiev Offensive: Polish troops led by Józef Piłsudski and Edward Rydz-Śmigły and assisted by a symbolic Ukrainian force capture Kiev only to be driven out by the Red Army counter-offensive a month later.
  • August 11 » The Latvian–Soviet Peace Treaty, which relinquished Russia's authority and pretenses to Latvia, is signed, ending the Latvian War of Independence.
  • August 25 » Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat.
  • November 16 » Qantas, Australia's national airline, is founded as Queensland and Northern Territory Aerial Services Limited.

Source: Wikipedia

• 1918 » Jørn Utzon, Danish architect, designed the Sydney Opera House († 2008)
• 1919 » J. Presper Eckert, American engineer, invented the ENIAC († 1995)
• 1921 » Frankie Thomas, American actor († 2006)
• 1921 » Jean-Marie Balestre, French businessman († 2008)
• 1921 » Mary Jackson, African-American mathematician and aerospace engineer († 2005)
• 1921 » Yitzhak Navon, Israeli politician († 2015)