About the day » Sunday April 21, 1918Calender converter

• Antonius Johannes Lokate, Heeten († 1995)
• Apolonia Moison, 's-Heerenhoek († 1992)
• Antje Sijes Hiemstra, Ried, Franekeradeel, Friesland, Nederland († 2016)
• Adriana Johanna van Dorst, Gilze en Rijen († 2001)
• Adriana Johanna (Sjaan) van Dorst, Gilze-Rijen, Nederland († 2001)
• Alexander Constans Bobbink, Rotterdam († 1989)
• Antonetta Kujis, Vlijmen († 1918)
• Bartholomeus Joannes Nicolaas (Bert) Stokman, 's-Gravenhage, Zuid-Holland, Nederland († 1943)
• Adrianus Cornelius Martinus Bakx, Oosterhout († 1996)
• Adrianus Verzendaal, Dordrecht († 1991)

• Gerrigje van Roest (44)
• Adeianus de Vaan (46), Vlijmen
• Bernardus van Lierop (80), Helmond
• Bartold Frans WESTEROUEN VAN MEETEREN (60), Oegstgeest
• Anna Isabelle HEYNEN (79), Berendrecht, Antwerpen, Belgie
• Albertine Marie HANNOTTE (3), BAELEN-sur-VESDRE, Liège, Belgique
• Bauke Jacobs van der Pol (67), Barradeel, Friesland, Nederland
• Antonia Maria van Breukelen (6), Zeist, Utrecht, Nl
• Ariaantje Broekhuizen (1), Schagen
• Bernhard Schütte (38)

• 1914 » Angelo Savoldi, Italian-American wrestler and promoter, co-founded International World Class Championship Wrestling († 2013)
• 1915 » Anthony Quinn, Mexican-American actor († 2001)
• 1915 » Garrett Hardin, American ecologist, author, and academic († 2003)
• 1916 » Estella B. Diggs, American businesswoman and politician († 2013)
• 1918 » Eddy Christiani, Dutch singer-songwriter and guitarist († 2016)
• 1919 » Don Cornell, American singer († 2004)
• 1919 » Licio Gelli, Italian financer († 2015)
• 1919 » Roger Doucet, Canadian tenor († 1981)
• 1920 » Edmund Adamkiewicz, German footballer († 1991)
• 1922 » Alistair MacLean, Scottish novelist and screenwriter († 1987)

• 1900 » Vikramatji Khimojiraj, Indian ruler (b. 1819)
• 1910 » Mark Twain, American novelist, humorist, and critic (b. 1835)
• 1918 » Manfred von Richthofen, German captain and pilot (b. 1892)
• 1924 » Eleonora Duse, Italian actress (b. 1858)
• 1930 » Robert Bridges, English poet and author (b. 1844)
• 1932 » Friedrich Gustav Piffl, Bohemian cardinal (b. 1864)
• 1938 » Muhammad Iqbal, Indian-Pakistani philosopher and poet (b. 1877)
• 1941 » Fritz Manteuffel, German gymnast (b. 1875)
• 1945 » Walter Model, German field marshal (b. 1891)
• 1946 » John Maynard Keynes, English economist and philosopher (b. 1883)

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

1. Maria
2. Johanna
3. Anna
4. Cornelia
5. Elisabeth
6. Wilhelmina
7. Adriana
8. Catharina
9. Hendrika
10. Petronella
11. Aaltje
12. Jacoba
13. Geertruida
14. Helena
15. Grietje
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 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.
• 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 6.6 million citizens.
• January 9 » Battle of Bear Valley: The last battle of the American Indian Wars.
• February 6 » British women over the age of 30 who meet minimum property qualifications, get the right to vote when Representation of the People Act 1918 is passed by Parliament.
• August 2 » The first general strike in Canadian history takes place in Vancouver.
• August 17 » Bolshevik revolutionary leader Moisei Uritsky is assassinated.
• September 29 » World War I: Bulgaria signs the Armistice of Salonica.
• October 8 » World War I: Corporal Alvin C. York kills 28 German soldiers and captures 132 for which he was awarded the Medal of Honor.

The temperature on April 21, 1918 was between -1.8 °C and 11.5 °C and averaged 5.8 °C. There was 8.6 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast.