About the day » Monday June 20, 1921Calender converter

• Berbertje de Wit, Amsterdam († 1994)
• Catharina Johanna Lijffijt, Utrecht († 2017)
• Carlos August Ignace Decommer, Oostnieuwkerke († 2006)
• Leenaars, Bergen op Zoom, Noord-Brabant, Netherlands († 1921)
• Beatrix Asta Johanna van Bismarck-Schönhausen, Warcino (Varzin), Pommeren, Polen († 2006)
• Beike Luttjeboer, Scheemda, Groningen, Netherlands († 1921)
• Arnoldus Willibrordus Spitteler, Amsterdam, 1000, Nederland († 1950)
• Beatrix v.Bismarck-Schönh, unbekannt († 2006)
• Aart Doornekamp († 1989)
• Armand VERVLIET, Wijnegem, Province of Antwerp (Middle Brabant), Belgium († 1972)

• Albert Jan Leideman (4), De Krim
• Cornelia Perrine (67), Buffalo, Erie, New York, Verenigde Staten
• Antje de Groot (74), Schoorl, Noord-Holland, Nederland
• Anna Barbara Reith (70), Cuyahoga County Ohio (U.S.A.)
• Christina Maria Romijn (6), Leiden
• Aren van Oostenbrugge (45)
• Angèle, Joséphine, Henriette COLLET (1), Guern,56310,Morbihan,Bretagne,FRANCE
• Bertha Germaine FIERENS (0), Hasselt
• Aaltje de Rooij (38), Kudelstaart, Noord-Holland, Nederland
• Aren van OOSTENBRUGGE Czn (45)

• 1918 » George Lynch, American race car driver († 1997)
• 1918 » Zoltán Sztáray, Hungarian-American author († 2011)
• 1920 » Danny Cedrone, American guitarist and bandleader († 1954)
• 1920 » Geoffrey Baker, English Field Marshal and Chief of the General Staff of the British Army († 1980)
• 1920 » Thomas Jefferson, American trumpet player († 1986)
• 1921 » Byron Farwell, American historian and author († 1999)
• 1921 » Pancho Segura, Ecuadorian tennis player († 2017)
• 1923 » Jerzy Nowak, Polish actor and educator († 2013)
• 1923 » Peter Gay, German-American historian, author, and academic († 2015)
• 1924 » Chet Atkins, American singer-songwriter, guitarist, and producer († 2001)

• 1888 » Johannes Zukertort, Polish-English chess player (b. 1842)
• 1906 » John Clayton Adams, English painter (b. 1840)
• 1909 » Friedrich Martens, Estonian-Russian historian, lawyer, and diplomat (b. 1845)
• 1925 » Josef Breuer, Austrian physician and psychologist (b. 1842)
• 1929 » Emmanouil Benakis, Greek merchant and politician, 35th Mayor of Athens (b. 1843)
• 1945 » Bruno Frank, German author, poet, and playwright (b. 1878)
• 1947 » Bugsy Siegel, American mobster (b. 1906)
• 1952 » Luigi Fagioli, Italian race car driver (b. 1898)
• 1958 » Kurt Alder, German chemist and academic, Nobel Prize laureate (b. 1902)
• 1963 » Raphaël Salem, Greek-French mathematician and academic (b. 1898)

• 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.
• January 9 » Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia.
• March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
• May 31 » The Tulsa race massacre kills at least 39, but other estimates of black fatalities vary from 55 to about 300.
• August 28 » The Red Army dissolved the Free Territory, after driving the Black Army out of Ukraine.
• September 11 » Nahalal, the first moshav in Palestine, is settled as part of a Zionist plan of creating a Jewish state, later to be Israel.
• October 26 » The Chicago Theatre opens.

The temperature on June 20, 1921 was between 8.9 °C and 16.2 °C and averaged 12.9 °C. There was 3.7 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest.