About the day » Sunday May 15, 1921Calender converter

• Aaltje Roelofs Rinsema, Leeuwarden, Gem. Leeuwarden, Friesland, Nederland († 2005)
• Alida Johanna Cornelia (elly) Warmerdam, Stompwijk, Nederland († 2004)
• Aaltje Jansen, Deventer,Gemeente Deventer, Overijssel, Nederland († 1977)
• Andries Kloos, Schiedam, Zuid-Holland, Nederland († 1945)
• Albert De Metsenaere, Maldegem († 1944)
• Koele († 2016)
• Adrianus Koster, Schiedam († 1964)
• Aaltje Rinsema, Leeuwarden († 2005)
• Albert Antoine Ramakers, Aalst-bij-Sint-Truiden, België († 2013)
• Adolphine Maria Elfrida Hoyer, Djokjakarta, Indonesië († 1964)

• Catharina Johanna Schrevelius (6), 's-Gravenhage, Zuid-Holland, Nederland
• Caroline Jones (76), Ritchies, Clarendon, Jamaica
• Anna Leliveld (51), Huissen, Nederland
• Arij van Staalduinen (75), Avereest, Overijssel, Nederland
• Berend Jans HAMSTRA (74), Ulrum Groningen Netherlands
• Bernard Hendrik Zeegers (64), Amsterdam
• Tolenaars, Fijnaart en Heijningen
• Catharina Cornelia Johanna Roos (31), Bloemendaal, Nederland
• Catharina Huberdina Feelders (32), Breda
• Catharina Cornelia Johanna Victors Roos (31), Bloemendaal

• 1918 » Arthur Jackson, American lieutenant and target shooter († 2015)
• 1918 » Eddy Arnold, American singer-songwriter, guitarist, and actor († 2008)
• 1918 » Joseph Wiseman, Canadian-American actor († 2009)
• 1920 » Michel Audiard, French director and screenwriter († 1985)
• 1922 » Jakucho Setouchi, Japanese nun and author
• 1922 » Sigurd Ottovich Schmidt, Russian historian and ethnographer († 2013)
• 1923 » John Lanchbery, English-Australian composer and conductor († 2003)
• 1923 » Richard Avedon, American sailor and photographer († 2004)
• 1924 » Maria Koepcke, German-Peruvian ornithologist and zoologist († 1971)
• 1925 » Andrei Eshpai, Russian pianist and composer († 2015)

• 1914 » Ida Freund, Austrian-born chemist and educator (b. 1863)
• 1919 » Hasan Tahsin, Turkish journalist (b. 1888)
• 1924 » Paul-Henri-Benjamin d'Estournelles de Constant, French diplomat and politician, Nobel Prize laureate (b. 1852)
• 1926 » Joseph James Fletcher, Australian biologist (b. 1850)
• 1928 » Umegatani Tōtarō I, Japanese sumo wrestler, the 15th Yokozuna (b. 1845)
• 1935 » Kazimir Malevich, Ukrainian-Russian painter and theoretician (b. 1878)
• 1937 » Philip Snowden, 1st Viscount Snowden, English politician, Chancellor of the Exchequer (b. 1864)
• 1945 » Charles Williams, English author, poet, and critic (b. 1886)
• 1945 » Kenneth J. Alford, English soldier, bandmaster, and composer (b. 1881)
• 1948 » Edward J. Flanagan, Irish-American priest, founded Boys Town (b. 1886)

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

1. Maria
2. Johanna
3. Anna
4. Cornelia
5. Wilhelmina
6. Elisabeth
7. Adriana
8. Hendrika
9. Catharina
10. Petronella
11. Jacoba
12. Grietje
13. Aaltje
14. Geertruida
15. Jantje
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 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.
• January 16 » The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa.
• March 1 » Following mass protests in Petrograd demanding greater freedom in the RSFSR, the Kronstadt rebellion began, with sailors and citizens taking up arms against the Bolsheviks.
• March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
• May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
• July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
• September 5 » Roscoe "Fatty" Arbuckle party in San Francisco ends with the death of the young actress Virginia Rappe: One of the first scandals of the Hollywood community.

The temperature on May 15, 1921 was between 10.9 °C and 20.7 °C and averaged 14.9 °C. There was 5.3 hours of sunshine (34%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest.