About the day » Sunday April 21, 1968Calender converter

• Hendrika - Ingrid Nijzing, Barger-Compascuum, Gemeente Emmen, Drenthe, Nederland († 1972)
• Natacha Luyten, Diest († 1985)
• Wouter Nieboer († 2015)
• Carl Aalbrecht, 's-Gravenzande († 1970)

• Antje van der Veen (80), Veenwouden, Friesland, Netherlands
• Carmen Salas (80), La Paz, La Paz, Bolivia
• Antonius Verhoeks (79), Zutphen
• Catharina Wilhelmina Maria van Iersel (58), Tilburg, Noord-Brabant, Nederland
• Arie Langbroek (58), Capelle aan de Ijssel Zuid Holland (NL)
• Antonius Everhardus Theodorus Jansen (83), Amsterdam, Noord-Holland, Nederland
• Aaltje vierhouten (36), Harderwijk, Gelderland, Nederland
• Alphons Hubertus Peeters (82), Roermond,, Limburg, Nederland
• Catharina Maria Elisabeth Damen (63), Wouw, Noord-Brabant, Nederland
• Angelina Maria Cornelia Antonia Aelen (69), Tilburg, NB Netherlands

• 1965 » Ed Belfour, Canadian ice hockey player
• 1965 » Karen Foster, American model and actress
• 1967 » Emilio Valle, Cuban hurdler
• 1968 » Peter van Vossen, Dutch footballer and coach
• 1969 » John Kibowen, Kenyan runner
• 1969 » Toby Stephens, English actor
• 1970 » Glen Hansard, Irish singer-songwriter, guitarist, and actor
• 1970 » Jeff Anderson, American actor, director, and screenwriter
• 1970 » Nicole Sullivan, American actress, comedian, and screenwriter
• 1970 » Rob Riggle, American actor and comedian

• 1956 » Charles MacArthur, American playwright and screenwriter (b. 1895)
• 1965 » Edward Victor Appleton, English-Scottish physicist and academic, Nobel Prize laureate (b. 1892)
• 1971 » François Duvalier, Haitian physician and politician, 40th President of Haiti (b. 1907)
• 1973 » Arthur Fadden, Australian accountant and politician, 13th Prime Minister of Australia (b. 1894)
• 1973 » Kemal Tahir, Turkish journalist and author (b. 1910)
• 1974 » Chic Harley, American football player (b. 1894)
• 1977 » Gummo Marx, American vaudevillian and talent agent (b. 1893)
• 1978 » Sandy Denny, English singer-songwriter (b.1947)
• 1978 » Thomas Wyatt Turner, American biologist and academic (b. 1877)
• 1980 » Alexander Oparin, Russian biochemist and academic (b. 1894)

1. Jan
2. Johannes
3. Robert
4. Peter
5. Johan
6. Hendrik
7. Richard
8. Michael
9. Marcel
10. Willem
11. Cornelis
12. Mark
13. Patrick
14. John
15. Eric
16. Ronald

1. Maria
2. Johanna
3. Monique
4. Ingrid
5. Sandra
6. Petra
7. Anna
8. Elisabeth
9. Esther
10. Yvonne
11. Jolanda
12. Karin
13. Jacqueline
14. Cornelia
15. Linda
16. Sylvia

• Koningin Juliana (Huis van Oranje-Nassau) was from September 4, 1948 till April 30, 1980 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet De Jong, with P.J.S. de Jong (KVP) as prime minister.
• The Netherlands had about 12.7 million citizens.
• April 4 » A.E.K. Athens B.C. becomes the first Greek team to win the European Basketball Cup.
• April 20 » English politician Enoch Powell makes his controversial "Rivers of Blood" speech.
• April 29 » The controversial musical Hair, a product of the hippie counter-culture and sexual revolution of the 1960s, opens at the Biltmore Theatre on Broadway, with some of its songs becoming anthems of the anti-Vietnam War movement.
• October 1 » Guyana nationalizes the British Guiana Broadcasting Service, which would eventually become part of the National Communications Network, Guyana.
• October 12 » Equatorial Guinea becomes independent from Spain.
• November 27 » Penny Ann Early became the first woman to play major professional basketball for the Kentucky Colonels in an ABA game against the Los Angeles Stars.

The temperature on April 21, 1968 was between 10.0 °C and 27.8 °C and averaged 18.8 °C. There was 0.1 mm of rain during 0.1 hours. There was 6.4 hours of sunshine (45%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest.