About the day » Wednesday April 20, 1977Calender converter

• Christian Vincent Jasperse, Oost-Souburg, Zeeland, Nederland († 1999)
• Johan Van Hoe, Gent, 9000, Oost Vlaanderen († 2016)
• Jurgen Baeten, Maaseik († 2000)

• Anna VanderVen (82), Hawarden (Sioux), Iowa, Verenigde Staten
• Alida Clasina Valk (73), Lisse
• Carl Joseph Abeln (76), Sacramento, Sacramento, California, United States
• Dirk Geurts (68)
• Cornelis Cornelisse (94), Heemskerk
• Anna Peeters (72), Herten, Limburg, Nederland
• Edith Sarah Dell PREWER (83), Bracknell, Tasmania, Australia
• Anna Suzanna van der Ven (82), Hawarden, Sioux County, Iowa
• Dirk Westra (70)
• Antonius Theodorus Maria Korting (89), amsterdam

• 1974 » Adrian Ilie, Romanian footballer
• 1975 » Killer Mike, American rapper and activist
• 1976 » Aldo Bobadilla, Paraguayan footballer
• 1976 » Chris Mason, Canadian ice hockey player
• 1976 » Georgina Rylance, English actress
• 1976 » Ismail Rasheed, Maldivian actor
• 1976 » Shay Given, Irish footballer and manager
• 1979 » Ludovic Magnin, Swiss footballer and coach
• 1979 » Nate Marquardt, American mixed martial artist
• 1979 » Stian Barsnes-Simonsen, Norwegian actor and television host

• 1967 » Léo-Paul Desrosiers, Canadian journalist and author (b. 1896)
• 1968 » Rudolph Dirks, German-American illustrator (b. 1877)
• 1969 » Vjekoslav Luburić, Croatian Ustaše official and concentration camp administrator (b. 1914)
• 1980 » M. Canagaratnam, Sri Lankan politician (b. 1924)
• 1982 » Archibald MacLeish, American poet, playwright, and lawyer (b. 1892)
• 1986 » Sibte Hassan, Pakistani journalist, scholar, and activist (b. 1916)
• 1991 » Don Siegel, American director and producer (b. 1912)
• 1991 » Steve Marriott, English singer-songwriter and producer (b. 1947)
• 1992 » Benny Hill, English comedian, actor, and screenwriter (b. 1924)
• 1992 » Marjorie Gestring, American springboard diver (b. 1922)

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

1. Maria
2. Monique
3. Esther
4. Johanna
5. Sandra
6. Wendy
7. Linda
8. Cindy
9. Yvonne
10. Jennifer
11. Patricia
12. Anna
13. Bianca
14. Elisabeth
15. Adriana
16. Marieke

• 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 Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
• In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
• The Netherlands had about 13.8 million citizens.
• January 19 » President Gerald Ford pardons Iva Toguri D'Aquino (a.k.a. "Tokyo Rose").
• May 31 » The Trans-Alaska Pipeline System is completed.
• June 26 » Elvis Presley held his final concert in Indianapolis, Indiana at Market Square Arena.
• September 4 » The Golden Dragon massacre takes place in San Francisco.
• October 17 » The hijacked Lufthansa Flight 181 lands in Mogadishu. The remaining hostages are later rescued.
• October 20 » Rock band Lynyrd Skynyrd's airplane crashes. Lead singer Ronnie Van Zant and guitarist Steve Gaines perish in the crash.

The temperature on April 20, 1977 was between -2.4 °C and 13.1 °C and averaged 7.2 °C. There was -0.1 mm of rain. There was 9.1 hours of sunshine (64%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest.