Yes, parts of the ending of 'Once Upon a Time in Hollywood' are based on true events. For example, the Manson Family murders were real events, and the movie incorporated those elements into its fictional narrative in a way that was related to the characters in the film. However, the movie also took creative liberties and changed some aspects for the sake of the story it was trying to tell.
Yes. The movie is set in a real - world context of 1969 Hollywood. While it takes some creative liberties, elements of the story, like the Manson Family and the general atmosphere of the time, are based on true events. However, the specific way the characters in the movie interact with and change those events is fictionalized for the purposes of the film's narrative.
It isn't a true story. The movie weaves a fictional narrative within the backdrop of Hollywood, drawing from various elements but not adhering to real-life happenings.
Definitely not a true story. It's a work of fiction that combines various elements to create an engaging cinematic experience set in the Hollywood context.
Definitely not true. The movie creates a fictional narrative set against the backdrop of the Hollywood of that time, with elements of drama and imagination added for entertainment.
Once Upon a Time in Hollywood is not based on true events. It's a creation of the director's imagination, though it might draw inspiration from the atmosphere and culture of that time in Hollywood.