About the day » Wednesday June 30, 1920Calender converter

• Anna Maria Hermus, Princenhage, Noord-Brabant, Nederland († 1995)
• Antje van der Laan († 1992)
• Allen McDonald , Jr. Bruton († 1983)
• Anthonie Cornelis CHERET, Velsen († 2014)
• Alfred Bergamin, Batavia, Java, Ned. Indie
• Albert Raterink, Borger, Drenthe, Netherlands(Ees) († 1920)
• * Cornelis (Cees) Stam, Ouderkerk aan den Ijssel († 2002)
• Alphonsus Johannes WEIJTERS, Tilburg,,Noord Brabant,PAYS BAS († 1998)
• Albert E. Verbeek, Cook County, IL († 2004)
• Anthonie Cornelis Cheret, Velsen, Noord-Holland, NL († 2014)

• Albertje HUISMAN (57), Wildervank
• Arie Dijksman (28), Ouderkerk aan den IJssel, Nederland
• Carel Sellenraad (58), Rotterdam, Zuid-Holland, Nederland
• Anna Speelman (55), Overschie, Nederland
• Anna Gesine Frederike Behreus (71)
• Alida Josina Wensveen (43), Den Haag
• Albert Soer (63), Havelte,Drenthe,Niederlande
• Berendina Geertruida Spijker (32), Dieren (Rheden )
• Christophe Vassen (60)
• bastiaantje BUITENDIJK (0), klaaswaal

• 1917 » Lena Horne, American actress, singer, and activist († 2010)
• 1917 » Susan Hayward, American actress († 1975)
• 1917 » Willa Kim, American costume designer († 2016)
• 1919 » Ed Yost, American inventor of the modern hot air balloon († 2007)
• 1920 » Eleanor Ross Taylor, American poet and educator († 2011)
• 1921 » Washington SyCip, American-Filipino accountant († 2017)
• 1922 » Al Besselink, American professional golfer
• 1923 » Andy Jack, English footballer
• 1924 » Max Trepp, Swiss sprinter
• 1925 » Fred Schaus, American basketball player and coach († 2010)

• 1908 » Thomas Hill, American painter (b. 1829)
• 1913 » Alphonse Kirchhoffer, French fencer (b. 1873)
• 1916 » Eunice Eloisae Gibbs Allyn, American correspondent, author, and poet (b. 1847)
• 1917 » Antonio de La Gándara, French painter and illustrator (b. 1861)
• 1917 » Dadabhai Naoroji, Parsi intellectual, educator, cotton trader, and an early Indian political and social leader (b. 1825)
• 1919 » John William Strutt, 3rd Baron Rayleigh, English physicist and academic, Nobel Prize laureate (b. 1842)
• 1932 » Bruno Kastner, German actor, producer, and screenwriter (b. 1890)
• 1934 » Erich Klausener, German soldier and politician (b. 1885)
• 1934 » Gustav Ritter von Kahr, German lawyer and politician, Minister-President of Bavaria (b. 1862)
• 1934 » Karl Ernst, German soldier (b. 1904)

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

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

• 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 6.8 million citizens.
• February 10 » About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
• March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
• August 25 » Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat.
• August 26 » The 19th amendment to United States Constitution takes effect, giving women the right to vote.
• November 28 » Irish War of Independence: Kilmichael Ambush: The Irish Republican Army ambush a convoy of British Auxiliaries and kill seventeen.
• December 16 » The Haiyuan earthquake of 8.5M_w , rocks the Gansu province in China, killing an estimated 200,000.

The temperature on June 30, 1920 was between 9.8 °C and 20.6 °C and averaged 16.5 °C. There was 4.3 mm of rain. There was 9.4 hours of sunshine (56%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest.