About the day » Wednesday April 28, 1971Calender converter

• Afra Johanna Maria van den Hoek, t Veld,, Noord-Holland, Nederland († 2019)
• Sylvia Reuvers
• Hubrecht Adriaan de Voogd, Elkerzee
• Greta Marie Veenstra, Orange Sioux Iowa, Verenigde Staten († 2002)
• Siefke Martijn Vierveijzer, Winschoten, GR Netherlands († 2020)

• Aafke De Jong (70), Roden
• Bart Alva (Sam) Smart (74), Fort Wayne, Allen, Indiana, Verenigde Staten
• Bartholomeus Johan Boudewijn DELIGNE (76), den Haag, Zuid-Holland, Nederland
• Aafke de Jong (70), Roden, Drenthe, Nederland
• Antonia Johanna Wilhemina van der Berg (62), Enschede
• Abraham van Beelen (79), Bilthoven, Utrecht, Nederland
• Catharina Eland (73), Roosendaal
• Anne Douwesz Woudstra (82), Friesland, Netherlands
• Agnes Walma (81), Grand Rapids, Michigan, Verenigde Staten
• Baukje Spriensma (87), Marum, Groningen, Nederland

• 1969 » LeRon Perry Ellis, American basketball player
• 1970 » Diego Simeone, Argentinian footballer and manager
• 1970 » Nicklas Lidström, Swedish ice hockey player and scout
• 1970 » Richard Fromberg, Australian tennis player
• 1971 » Brad McEwan, Australian journalist
• 1972 » Helena Tulve, Estonian composer
• 1972 » Jean-Paul van Gastel, Dutch footballer and manager
• 1972 » Violent J, American rapper
• 1973 » Earl Holmes, American football player and coach
• 1973 » Jorge Garcia, American actor and producer

• 1957 » Heinrich Bär, German colonel and pilot (b. 1913)
• 1962 » Bennie Osler, South African rugby player (b. 1901)
• 1963 » Wilhelm Weber, German gymnast (b. 1880)
• 1970 » Ed Begley, American actor (b. 1901)
• 1973 » Clas Thunberg, Finnish speed skater (b. 1893)
• 1976 » Richard Hughes, American author and poet (b. 1900)
• 1977 » Ricardo Cortez, American actor (b. 1900)
• 1977 » Sepp Herberger, German footballer and coach (b. 1897)
• 1978 » Mohammed Daoud Khan, Afghan commander and politician, 1st President of Afghanistan (b. 1909)
• 1980 » Tommy Caldwell, American bass player (b. 1949)

1. Jan
2. Johannes
3. Robert
4. Marco
5. Peter
6. Marcel
7. Jeroen
8. Mark
9. Richard
10. Michael
11. Patrick
12. Edwin
13. Pieter
14. Cornelis
15. David
16. Hendrik

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

• 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.
• In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
• The Netherlands had about 13.1 million citizens.
• January 31 » Apollo program: Apollo 14: Astronauts Alan Shepard, Stuart Roosa, and Edgar Mitchell, aboard a Saturn V, lift off for a mission to the Fra Mauro Highlands on the Moon.
• February 9 » The 6.5–6.7 M_w  Sylmar earthquake hits the Greater Los Angeles Area with a maximum Mercalli intensity of XI (Extreme), killing 64 and injuring 2,000.
• September 8 » In Washington, D.C., the John F. Kennedy Center for the Performing Arts is inaugurated, with the opening feature being the premiere of Leonard Bernstein's Mass.
• September 28 » The Parliament of the UK passes the Misuse of Drugs Act 1971, banning the medicinal use of cannabis.
• November 15 » Intel releases the world's first commercial single-chip microprocessor, the 4004.
• November 23 » Representatives of the People's Republic of China attend the United Nations, including the United Nations Security Council, for the first time.

The temperature on April 28, 1971 was between 0.2 °C and 11.3 °C and averaged 5.4 °C. There was -0.1 mm of rain. There was 9.9 hours of sunshine (67%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest.