About the day » Tuesday May 20, 1930Calender converter

• Désiré Vannes, Genk, België († 2002)
• Alfred S. Smith, Bedford Township, Bedford County, Pennsylvania († 1951)
• Charles Eugene Marais Viljoen, Heidelberg, Transvaal, South Africa († 1996)
• Digna van Aarle, Gorinchem († 1984)
• Antonius Theodorus van der Maat († 1998)
• bertha petronella hendrika (bertha) wilms, helden-grashoek († 2019)
• Adriana (Jeanne) Bouts, Urmond, Nederland († 2011)
• van Oorschot
• Cornelis Braat, Rotterdam († 1999)
• Antonius Johannes Wolf, Oss, Nederland († 1981)

• Aalbert Vonk (83), Ottoland, Nederland
• Bertha van Rheenen (62), Utrecht {UT}
• Arie van Hattem (96), Eck en Wiel, Nederland
• Adolpha Damhoff (68), Groesbeek, NL
• Cornelia Petronella van Beers (80), Halsteren, N-Br, NL
• Adriana Maria den Hoed (74), Utrecht,, Utrecht, Nederland
• Aleida Katerman (6), Marle (Hellendoorn)
• Adriana Bergman (68), Koudekerk
• Catharina Margaretha Rozing (31), Heiloo,, Noord-Holland, Nederland
• Catharina Rozing (61), Heiloo

• 1925 » Alexei Tupolev, Russian engineer, designed the Tupolev Tu-144 († 2001)
• 1926 » Bob Sweikert, American race car driver († 1956)
• 1927 » Bud Grant, American football player and coach
• 1927 » David Hedison, American actor († 2019)
• 1927 » Franciszek Macharski, Polish cardinal († 2016)
• 1929 » Gilles Loiselle, Canadian politician and diplomat, 33rd Canadian Minister of Finance
• 1930 » Sam Etcheverry, American football player and coach († 2009)
• 1931 » Ken Boyer, American baseball player and manager († 1982)
• 1931 » Louis Smith, American trumpeter († 2016)
• 1933 » Constance Towers, American actress and singer

• 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)
• 1947 » Georgios Siantos, Greek sergeant and politician (b. 1890)
• 1947 » Philipp Lenard, Slovak-German physicist and academic, Nobel Prize laureate (b. 1862)

• 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 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
• The Netherlands had about 7.8 million citizens.
• April 6 » At the end of the Salt March, Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire."
• April 22 » The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding.
• May 7 » The 7.1 M_w  Salmas earthquake shakes northwestern Iran and southeastern Turkey with a maximum Mercalli intensity of IX (Violent). Up to three-thousand people were killed.
• August 29 » The last 36 remaining inhabitants of St Kilda are voluntarily evacuated to other parts of Scotland.
• October 3 » The German Socialist Labour Party in Poland – Left is founded.
• November 3 » Getúlio Vargas becomes Head of the Provisional Government in Brazil after a bloodless coup on October 24.

The temperature on May 20, 1930 was between 5.0 °C and 14.7 °C and averaged 10.6 °C. There was 0.2 mm of rain during 0.1 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest.