About the day » Friday May 20, 1921Calender converter

• Albert Lambertus Bakker, Hardenberg († 1987)
• Anneliese Poppelauer, Berlin, Brandenburg, Germany († 1928)
• Arend Bergsma, Eernewoude, Tietjerksteradeel, Friesland, Nederland († 1999)
• Berend Halmingh, Onstwedde († 1922)
• Clay Francis Coon, Wingate (Montgomery County) (Indiana) († 1983)
• Bertha Marie Elisabeth Vermaas, Soerabaja, Oost-Java, Indonesië (IDN) († 2009)
• catharina antonia maria toben, amsterdam († 2013)
• Anna Maria Georgine Beisser, Cheribon
• Arigje den Ouden, Rotterdam, Zuid-Holland, The Netherlands († 1921)
• Brenda May Nordish, New South Wales, Australia († 2006)

• Fransiscus van Haaren (65), Heesch
• Anna Maria Buuron (73), Roosendaal
• Albert Rona (0), Annen
• Catharina Jeucken (79), Helden
• Alberta Hendrika Hol (79), Utrecht, Utrecht, NL
• Aaltje Willemsen (76), Amersfoort
• Berend van Sloten (68), Leiden
• Alice Emilia De Beuckelaere (31), Gent
• Adriaan Frans Matheuwezen (48), Batavia, Java, Indonesië
• Adriana Cornelisd van Eijk (80), Haarlem, nh.nld

• 1918 » Alexandra Boyko, Russian tank commander († 1996)
• 1918 » Edward B. Lewis, American biologist, geneticist, and academic, Nobel Prize laureate († 2004)
• 1919 » George Gobel, American comedian († 1991)
• 1920 » John Cruickshank, Scottish lieutenant and banker, Victoria Cross recipient
• 1921 » Hal Newhouser, American baseball player and scout († 1998)
• 1921 » Hao Wang, Chinese-American logician, philosopher, and mathematician († 1995)
• 1921 » Wolfgang Borchert, German author and playwright († 1947)
• 1922 » Ted Hinton, Northern Irish international footballer († 1988)
• 1923 » Edith Fellows, American actress († 2011)
• 1923 » Sam Selvon, Trinidad-born writer († 1994)

• 1896 » Clara Schumann, German pianist and composer (b. 1819)
• 1909 » Ernest Hogan, American actor and composer (b. 1859)
• 1917 » Philipp von Ferrary, Italian stamp collector (b. 1850)
• 1917 » Valentine Fleming, Scottish soldier and politician (b. 1887)
• 1924 » Bogd Khan, Mongolian ruler (c. 1869)
• 1925 » Joseph Howard, Maltese politician, 1st Prime Minister of Malta (b. 1862)
• 1931 » Ernest Noel, Scottish businessman and politician (b. 1831)
• 1940 » Verner von Heidenstam, Swedish author and poet, Nobel Prize laureate (b. 1859)
• 1942 » Hector Guimard, French Architect (b. 1867)
• 1946 » Jacob Ellehammer, Danish pilot and engineer (b. 1871)

• 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.
• The Netherlands had about 6.9 million citizens.
• February 21 » Rezā Shāh takes control of Tehran during a successful coup.
• March 20 » The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland.
• June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
• June 30 » U.S. President Warren G. Harding appoints former President William Howard Taft as Chief Justice of the United States.
• July 10 » Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland.
• July 11 » Former president of the United States William Howard Taft is sworn in as 10th chief justice of the U.S. Supreme Court, becoming the only person ever to hold both offices.

The temperature on May 20, 1921 was between 5.7 °C and 19.3 °C and averaged 12.7 °C. There was 9.6 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west.