Surname of the revolutionary who was the first head of the Soviet Union

Let's find possible answers to "Surname of the revolutionary who was the first head of the Soviet Union" crossword clue. First of all, we will look for a few extra hints for this entry: Surname of the revolutionary who was the first head of the Soviet Union. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.