Разбудите Мухина! (1968)

During lectures on literature, evening student Sasha Mukhin, a subway driver, sleeps and dreams. In approximate accordance with the subject of the lectures, he either tries to prevent Pushkin’s duel with Dantes, either intervenes in the events of Spartak’s rebellion, or is present at Galileo’s abdication, then meets a person from the future and learns from him his future fate.