About the day » Thursday July 31, 1930Calender converter

• Arina van Nieuwenburg, Schiedam, Zuid-Holland, Nederland († 2000)
• Anna Maria Theresia Haarhuis, Geesteren († 2022)
• Aad van der Geest, Leiderdorp, Nederland († 2021)
• Betty Louise Buhler, Salt Lake City, Salt Lake County, Utah, United States of America († 1998)
• Catherine Adaline O'Reilly, Detroit, Wayne, Michigan, Verenigde Staten († 2009)
• Douwe Vuuregge, Emmen, Drenthe, Nederland († 2011)
• Andries van Varik, Rietveld († 2009)
• Catharina Agatha Bleeker, Heerhugowaard, Noord-Holland, Nederland († 1933)
• Adriana Elisabeth Maria Corsten, Roermond († 2018)
• Catharina M. (Toos) Keuren, Roermond, Nederland († 2005)

• Anton Hendrik Karel REIJERKERK (0), Amsterdam
• Antonia Theresia van Oudenhoven (54), Tilburg
• Akke Miedema (77), Joure, Friesland, Nederland
• Adriana Floor (65), De Bilt, Utrecht, Nederland
• Alonys George Gerwing (23), Lake Lenore, Saskatchewan, Canada
• Antje Daalder (77), Den Helder
• Camiel Mussche, Lichtervelde,8810,West-Vlaanderen,België
• Albertus van Nimwegen (77), Amersfoort
• Aloysius George Gerwing (23)
• Albert Rona (76), De Punt

• 1927 » Peter Nichols, English author and playwright († 2019)
• 1928 » Bill Frenzel, American lieutenant and politician († 2014)
• 1929 » Don Murray, American actor
• 1929 » Gilles Carle, Canadian director and screenwriter († 2009)
• 1929 » José Santamaría, Uruguayan footballer and manager
• 1929 » Lynne Reid Banks, English author
• 1931 » Kenny Burrell, American singer-songwriter and guitarist
• 1931 » Nick Bollettieri, American tennis player and coach
• 1932 » John Searle, American philosopher and academic
• 1932 » Ted Cassidy, American actor and screenwriter († 1979)

• 1913 » John Milne, British geologist and mining engineer. (b. 1850)
• 1914 » Jean Jaurès, French journalist and politician (b. 1859)
• 1917 » Francis Ledwidge, Irish soldier and poet (b. 1881)
• 1917 » Hedd Wyn, Welsh language poet (b. 1887)
• 1920 » Ion Dragoumis, Greek philosopher and diplomat (b. 1878)
• 1940 » Udham Singh, Indian activist (b. 1899)
• 1942 » Francis Younghusband, British Army Officer, explorer and spiritual writer (b.1863)
• 1943 » Hedley Verity, English cricketer and soldier (b. 1905)
• 1944 » Antoine de Saint-Exupéry, French pilot and poet (b. 1900)
• 1953 » Robert A. Taft, American soldier and politician (b. 1889)

1. Johannes
2. Jan
3. Cornelis
4. Hendrik
5. Willem
6. Gerrit
7. Pieter
8. Adrianus
9. Petrus
10. Jacob
11. Jacobus
12. Wilhelmus
13. Antonius
14. Gerardus
15. Hendrikus
16. Dirk

1. Maria
2. Johanna
3. Anna
4. Cornelia
5. Elisabeth
6. Adriana
7. Wilhelmina
8. Catharina
9. Hendrika
10. Petronella
11. Jacoba
12. Geertruida
13. Aaltje
14. Margaretha
15. Grietje
16. Helena

• 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.
• February 18 » While studying photographs taken in January, Clyde Tombaugh discovers Pluto.
• March 31 » The Motion Picture Production Code is instituted, imposing strict guidelines on the treatment of sex, crime, religion and violence in film, in the U.S., for the next thirty-eight years.
• April 22 » The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding.
• May 1 » "Pluto" is officially proposed for the name of the newly-discovered dwarf planet Pluto by Vesto Slipher in the Lowell Observatory Observation Circular. The name quickly catches on.
• June 9 » A Chicago Tribune reporter, Jake Lingle, is killed during rush hour at the Illinois Central train station by Leo Vincent Brothers, allegedly over a $100,000 gambling debt owed to Al Capone.
• September 27 » Bobby Jones wins the (pre-Masters) Grand Slam of golf.

The temperature on July 31, 1930 was between 9.5 °C and 19.0 °C and averaged 14.5 °C. There was 0.3 mm of rain during 0.3 hours. There was 9.0 hours of sunshine (58%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest.