About the day » Thursday April 20, 1911Calender converter

• Adrianus Johannes Kuijpers, Zevenbergen († 1969)
• Amanda Dussault, St-Marc-des-Carrières, QC († 2004)
• 'n Levenloos geboren dochter van van der Haven, Ter Aar (Aardam) († 1911)
• Maarsman, Kortgene († 1911)
• Aaltje Scheffer, Hattem, Gelderland, Nederland († 1988)
• Jasken, Wittenberg, Haren (Ems), Landkreis Emsland, Lower Saxony, Germany († 1911)
• Abraham Corn. Ottervanger, Rotterdam († 1968)
• Adrianus Johannes Goorden, Schijf
• Agatha DE WAAL, Dordrecht (NL) († 2011)
• albert cornelis ringeling, amsterdam

• Anna Moers (0), Maastricht, Limburg, Netherlands
• Antje Heijmans (81), 's-Hertogenbosch, Noord-Brabant, Netherlands
• Aalt Vos (67), (GL) Nijkerk
• Anna Paulina Lasinet (52), Semarang, Java, Ned. Indie
• Antonia Heeren (78), Eersel
• Anthonij van Velden (68), Amsterdam
• Alberdina Henderika Zwarts (37), Martenshoek (Gem. Hoogezand), Groningen, Nederland
• Adrianus Johannes Koolen (1), Bergen op Zoom, Noord-Brabant, Nederland
• Aaltje Zon (71), Den Helder
• Anthonie van der Slikke (68), Poortvliet, Zeeland, Nederland

• 1907 » Augoustinos Kantiotes, Greek bishop († 2010)
• 1907 » Miran Bux, Pakistani cricketer († 1991)
• 1908 » Lionel Hampton, American vibraphone player, pianist, bandleader, and actor († 2002)
• 1910 » Fatin Rüştü Zorlu, Turkish diplomat and politician († 1961)
• 1913 » Mimis Fotopoulos, Greek actor and poet († 1986)
• 1913 » Roger Rochard, French runner († 1993)
• 1913 » Willi Hennig, German biologist and entomologist († 1976)
• 1914 » Betty Lou Gerson, American actress († 1999)
• 1915 » Joseph Wolpe, South African psychotherapist and physician († 1997)
• 1916 » Nasiba Zeynalova, Azerbaijani actress († 2004)

• 1887 » Muhammad Sharif Pasha, Greek-Egyptian politician, 2nd Prime Minister of Egypt (b. 1826)
• 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)

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

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

• 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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
• The Netherlands had about 6.0 million citizens.
• January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
• March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
• May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
• June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
• August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
• November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.

The temperature on April 20, 1911 was between 3.9 °C and 15.2 °C and averaged 9.6 °C. There was 11.7 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest.