(CNN)Here is some background information about the Academy Awards, also known as the "Oscars."
March 27, 2022 - The 94th Annual Academy Awards ceremony takes place, with Amy Schumer, Wanda Sykes and Regina Hall as hosts. The Oscars have been hostless for the past three years.
April 25, 2021 - The 93rd Annual Academy Awards ceremony airs.
2022 Winners (selected)
Best Picture
"CODA"
"CODA"
Actor in a Leading Role
Will Smith, "King Richard"
Will Smith, "King Richard"
Actress in a Leading Role
Jessica Chastain, "The Eyes of Tammy Faye"
Jessica Chastain, "The Eyes of Tammy Faye"
Actress in a Supporting Role
Ariana DeBose, "West Side Story"
Ariana DeBose, "West Side Story"
Actor in a Supporting Role
Troy Kotsur, "CODA"
Troy Kotsur, "CODA"
Director
Jane Campion, "The Power of the Dog"
Jane Campion, "The Power of the Dog"
2021 Winners (selected)
Best Picture
"Nomadland"
"Nomadland"
Actor in a Leading Role
Anthony Hopkins, "The Father"
Anthony Hopkins, "The Father"
Actress in a Leading Role
Frances McDormand, "Nomadland"
Frances McDormand, "Nomadland"
Actress in a Supporting Role
Yuh-jung Youn, "Minari"
Yuh-jung Youn, "Minari"
Actor in a Supporting Role
Daniel Kaluuya, "Judas and the Black Messiah"
Daniel Kaluuya, "Judas and the Black Messiah"
Director
Chloe Zhao, "Nomadland"
Chloe Zhao, "Nomadland"
The Oscars ceremony had a surprise ending that could only happen in Hollywood. Faye Dunaway and Warren Beatty presented the award for best picture Sunday night.
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However, the envelope they carried was for the previous award, for actress in a leading role. Emma Stone of "La La Land" won that award, and Dunaway mistakenly read "La La Land" as the winner of best picture. It was actually "Moonlight."
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"La La Land" producer Jordan Horowitz, center, accepts the award for best picture next to producer Fred Berger.
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Producers of "La La Land" give acceptance speeches before learning that their movie was not the real winner.
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