On this page you may find the One-sixth of the worlds ground surface until 1991 in brief crossword puzzle clue answers and solutions. This crossword clue was last seen on June 29 2023 in the popular New York Times Crossword Puzzle. We have found 1 possible solution matching the query “One-sixth of the worlds ground surface until 1991 in brief” and the answer is shown below.
The possible answer is:
USSR
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