About the day » Friday April 20, 1917Calender converter

• Albert Frans Verpoorten († 1962)
• Abraham Izaak Korsman, Katwijk († 2001)
• Albert Bakker, Steenwijk († 1979)
• Aafke Zaagman, Stedum, Garsthuizen († 2007)
• van de Zandschulp, Rhenen, Nederland († 1917)
• Abraham Knape, Sommelsdijk, Zuid-Holland, Nederland († 1993)
• Agatha Reijn († 2005)
• Arnold Duvall Smith, Lincoln, Missouri, Verenigde Staten († 1965)
• Aafke Reitsma, Opeinde († 1968)
• Arie Taal, 's-Gravenhage († 2007)

• Alexis Baudry (33), Berry au Bac, ....., France
• Aartje van Loo (73), Oldebroek
• Anna Frederica Baroness Von Golstein (88), Putten, Gelderland, Netherlands
• Anna Cornelia Willemen (51), Antwerpen
• Adrianus Cornelis ter Burg (66), Woudenberg, Utrecht, Nederland
• Aaltje Alberts Spaargaren (86), Alkemade, Nederland
• Abner Tharp (64), Moulton, Appanoose County, Iowa, United States
• Anne Rintjes VISSER (65), Rauwerderhem(Friesland)
• Anna Catharina de Beule (80), Hulst, Zeeland, Nederland
• Anna Frederica Everdina VAN GOLTSTEIN (88), Putten Gelderland Netherlands

• 1913 » Mimis Fotopoulos, Greek actor and poet († 1986)
• 1914 » Betty Lou Gerson, American actress († 1999)
• 1915 » Joseph Wolpe, South African psychotherapist and physician († 1997)
• 1916 » Nasiba Zeynalova, Azerbaijani actress († 2004)
• 1918 » Kai Siegbahn, Swedish physicist and academic, Nobel Prize laureate († 2007)
• 1919 » Richard Hillary, Australian lieutenant and pilot († 1943)
• 1920 » Clement Isong, Nigerian banker and politician, Governor of Cross River State († 2000)
• 1920 » Frances Ames, South African neurologist, psychiatrist, and human rights activist († 2002)
• 1920 » John Paul Stevens, American lawyer and jurist, Associate Justice of the Supreme Court of the United States († 2019)
• 1920 » Ronald Speirs, American colonel († 2007)

• 1899 » Joseph Wolf, German ornithologist and illustrator (b. 1820)
• 1902 » Joaquim de Sousa Andrade, Brazilian poet and educator (b. 1833)
• 1912 » Bram Stoker, Anglo-Irish novelist and critic, created Count Dracula (b. 1847)
• 1918 » Karl Ferdinand Braun, German-American physicist and academic, Nobel Prize laureate (b. 1850)
• 1927 » Enrique Simonet, Spanish painter and educator (b. 1866)
• 1929 » Prince Henry of Prussia (b. 1862)
• 1931 » Sir Cosmo Duff-Gordon, 5th Baronet, Scottish-English fencer and businessman (b. 1862)
• 1932 » Giuseppe Peano, Italian mathematician and philosopher (b. 1858)
• 1935 » John Cameron, Scottish footballer and manager (b. 1872)
• 1935 » Lucy, Lady Duff-Gordon, English fashion designer (b. 1863)

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

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

• 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 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
• The Netherlands had about 6.5 million citizens.
• June 26 » World War I: The American Expeditionary Forces begin to arrive in France. They will first enter combat four months later.
• July 12 » The Bisbee Deportation occurs as vigilantes kidnap and deport nearly 1,300 striking miners and others from Bisbee, Arizona.
• August 30 » Vietnamese prison guards led by Trịnh Văn Cấn mutiny at the Thái Nguyên penitentiary against local French authority.
• October 25 » Old Style date of the October Revolution in Russia.
• November 2 » The Balfour Declaration proclaims British support for the "establishment in Palestine of a national home for the Jewish people" with the clear understanding "that nothing shall be done which may prejudice the civil and religious rights of existing non-Jewish communities".
• November 5 » October Revolution: Lenin calls for the October Revolution.

The temperature on April 20, 1917 was between 4.1 °C and 10.4 °C and averaged 6.4 °C. There was 1.7 hours of sunshine (12%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest.