About the day » Monday May 30, 1921Calender converter

• De Keersmaecker, Bornem († 1921)
• Alphonsus Byrne Love, Bacchus Marsh, Victoria, Australia († 1990)
• Anje Ronda, Saaxumhuizen, Baflo,, Groningen, Nederland
• Anna Maria Borgonjen († 1922)
• Albert Oortwijn, Odoorn († 1992)
• Eijsvogels, Oss, Noord-Brabant, Nederland
• Arie Moonen, Leiden († 1921)
• Augusta Bertha Martha Gerda (Gerda) Illmer, Cieszkowice, Eichenhag (Kr. Guhrau), Tscheschkowitz, Dolnoslaskie, Poland († 1999)
• Bernardus Wilhelmus Ellenbroek, Apeldoorn, Gelderland, Netherlands († 1983)
• Klaassen, Halsteren, N-Br, NL

• Ariaantje van Hoegee (76), Amsterdam
• Anna Maria Gertruida Damen (69), 's-Hertogenbosch, Noord-Brabant, Nederland
• Albert van Eden (34), Laren, Noord-Holland, Nederland
• Anna Barbara Duijsings (73), Berg en Terblijt, Limburg, Nederland
• Adriana Boudewiijns, Etten-Leur
• (76), Hattem
• Antonia Hendrika Maria Janssen, Delft
• De Keersmaecker (0), Bornem
• Antje Wytzes Binsma (90), Opsterland, Friesland, Nederland
• van den Toorn (0), Schiedam, Zuid-Holland, Nederland

• 1916 » Justin Catayée, French soldier and politician († 1962)
• 1916 » Mort Meskin, American illustrator († 1995)
• 1918 » Bob Evans, American businessman, founded Bob Evans Restaurants († 2007)
• 1918 » Pita Amor, Mexican poet and author († 2000)
• 1919 » René Barrientos, Bolivian general and politician, 55th President of Bolivia († 1969)
• 1920 » Franklin J. Schaffner, Japanese-American director and producer († 1989)
• 1922 » Hal Clement, American author and educator († 2003)
• 1924 » Anthony Dryden Marshall, American CIA officer and diplomat († 2014)
• 1925 » John Henry Marks, English physician and author
• 1926 » Johnny Gimble, American country/western swing musician (Bob Wills and His Texas Playboys) († 2015)

• 1901 » Victor D'Hondt, Belgian mathematician, lawyer, and jurist (b. 1841)
• 1911 » Milton Bradley, American businessman, founded the Milton Bradley Company (b. 1836)
• 1912 » Wilbur Wright, American pilot and businessman, co-founded the Wright Company (b. 1867)
• 1918 » Georgi Plekhanov, Russian philosopher and theorist (b. 1856)
• 1925 » Arthur Moeller van den Bruck, German historian and author (b. 1876)
• 1926 » Vladimir Steklov, Russian mathematician and physicist (b. 1864)
• 1934 » Tōgō Heihachirō, Japanese admiral (b. 1848)
• 1939 » Floyd Roberts, American race car driver (b. 1904)
• 1941 » Prajadhipok, Thai king (b. 1893)
• 1946 » Louis Slotin, Canadian physicist and chemist (b. 1910)

• 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 1 » The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
• May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
• June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
• October 21 » President Warren G. Harding delivers the first speech by a sitting U.S. President against lynching in the deep South.
• November 11 » The Tomb of the Unknowns is dedicated by US President Warren G. Harding at Arlington National Cemetery.

The temperature on May 30, 1921 was between 5.2 °C and 19.7 °C and averaged 14.4 °C. There was 7.7 hours of sunshine (47%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south.