This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.

In 1964, Nikita Khrushchev was removed from his position of power and replaced with Leonid Brezhnev. Under his rule, the Russian SFSR and the rest of the Soviet Union went through an era of stagnation. Even after he died in 1982, the era didn't end until Mikhail Gorbachev took power and introduced liberal reforms in Soviet society.
Who lost power in 1964?