Short answers, pulled from the story.
One Flew Over the Cuckoo's Nest premiered on the 19th of November 1975 at New York City theaters. The film became the second-highest-grossing movie released in 1975 across the United States and Canada.
Miloš Forman directed One Flew Over the Cuckoo's Nest after replacing Hal Ashby and Richard Rush during production. Forman fled Czechoslovakia due to political pressure from the Soviet Union before reuniting with producer Michael Douglas.
Principal photography for One Flew Over the Cuckoo's Nest began on the 13th of January 1975 inside the Oregon State Hospital in Salem. The facility remained operational even though original buildings have since been demolished.
Total gross revenue for One Flew Over the Cuckoo's Nest reached one hundred nine million dollars making it one of seven highest-grossing films ever. Worldwide earnings totaled one hundred sixty-three million two hundred fifty thousand dollars.
One Flew Over the Cuckoo's Nest won all five major Academy Awards including Best Picture and Best Director. Jack Nicholson received Best Actor while Louise Fletcher took Best Actress and Miloš Forman earned Best Director.