Instructions: 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.
Input: The Soviet regime first came to power on November 7, 1917, immediately after the Russian Provisional Government, which governed the Russian Republic, was overthrown in the October Revolution. The state it governed, which did not have an official name, would be unrecognized by neighboring countries for another five months.
Output:
When did the Soviet regime first become powerful?