About the day » Sunday September 12, 1920Calender converter

• Anita Lucille Johnson, Inglewood, Verenigde Staten († 1969)
• Alberta Antonia Snoek, Hilversum, Noord-Holland, Nederland († 1922)
• Antoon Peter Hendrik Stax, Boxmeer († 2014)
• Arend Benak, Ruinerwold, Drenthe, Nederland († 1974)
• Anthony Mincio, New York, Verenigde Staten († 2007)
• ALIDA VAN DER SPEK, SCHIPLUIDEN († 1997)
• Adrianus Jan Koster († 1979)
• Adrianus Jan Koster († 1979)
• Alida van der Spek, Schipluiden († 1997)
• Alida van Roest, Benschop, Netherlands († 1920)

• Arij (Arie) Bijland (90), ´s-Gravenhage Nederland
• Carl August Anderson (44), Salmon, Lemhi, Idaho, United States
• Everdina Adriana van Steenis (6), Utrecht (NL)
• Anna Gerarda Brouwer (2), Wormerveer
• Folkertje Nannenga (79), Vledder
• Elisabeth Meijer (0), unbekannt
• Eimert van Straten (84)
• Antjen Wassink (66), IJzevoorde, Nederland
• Anna Maria Koejemans (3), Rotterdam
• Ariaantje Pieterdr de Jong (71), Nieuwendam, Noord Holland, Nederland

• 1916 » Tony Bettenhausen, American race car driver († 1961)
• 1917 » Han Suyin, Chinese-Swiss physician and author († 2012)
• 1917 » Pierre Sévigny, Canadian colonel, academic, and politician († 2004)
• 1920 » Irene Dailey, American actress († 2008)
• 1921 » Frank McGee, American journalist († 1974)
• 1921 » Stanisław Lem, Ukrainian-Polish philosopher and author († 2006)
• 1921 » Turgut Cansever, Turkish architect, city planner, and thinker († 2009)
• 1922 » Antonio Cafiero, Argentinian accountant and politician, Governor of Buenos Aires Province († 2014)
• 1922 » Jackson Mac Low, American poet, playwright, and composer († 2004)
• 1922 » Mark Rosenzweig, American psychologist and academic († 2009)

• 1903 » Duncan Gillies, Scottish-Australian businessman and politician, 14th Premier of Victoria (b. 1834)
• 1907 » Ilia Chavchavadze, Georgian poet, journalist, and lawyer (b. 1837)
• 1912 » Pierre-Hector Coullié, French cardinal (b. 1829)
• 1918 » George Reid, Australian accountant and politician, 4th Prime Minister of Australia (b. 1845)
• 1919 » Leonid Andreyev, Russian author and playwright (b. 1871)
• 1923 » Jules Violle, French physicist and academic (b. 1841)
• 1927 » Sarah Frances Whiting, American physicist and astronomer (b. 1847)
• 1942 » Valentine Baker, Welsh co-founder of the Martin-Baker Aircraft Company (b. 1888)
• 1945 » Hajime Sugiyama, Japanese field marshal and politician, 44th Japanese Minister of War (b. 1880)
• 1949 » Erik Adolf von Willebrand, Finnish physician (b. 1870)

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.
• January 17 » Alcohol Prohibition begins in the United States as the Volstead Act goes into effect.
• February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
• May 7 » Treaty of Moscow: Soviet Russia recognizes the independence of the Democratic Republic of Georgia only to invade the country six months later.
• August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
• September 17 » The National Football League is organized as the American Professional Football Association in Canton, Ohio.
• December 24 » Gabriele D'Annunzio surrendered the Italian Regency of Carnaro in the city of Fiume to Italian armed forces.

The temperature on September 12, 1920 was between 6.6 °C and 20.3 °C and averaged 13.2 °C. There was 9.5 hours of sunshine (73%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast.