Factual error: Beria was not executed until ten days after the funeral, not on the day.
The Death of Stalin (2017)
Ending / spoiler
Directed by: Armando Iannucci
Starring: Steve Buscemi, Jason Isaacs, Olga Kurylenko, Andrea Riseborough
Khrushchev, in conjunction with Zhukov, who controls the army, persuades all the other committee members to join forces against Beria, who is summarily tried and executed. Stalin's daughter is exiled to Vienna and his son is detained in Russia. The film ends with captions detailing Khrushchev's rise to power, but also tells us that he was in due course replaced by Leonid Brezhnev, who we see behind Khrushchev, watching carefully.
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Suggested correction: However, this isn't a documentary; it doesn't state that the events portrayed are facts. It's satire based on real events.
Nikita Khrushchev: I will bury you in history.