One-sixth of the worlds ground surface until 1991 in brief NYT crossword answer is:
USSR (4 letters length)The answer for One-sixth of the worlds ground surface until 1991 in brief crossword clue is listed above to help you solve the puzzle you are currently working on.
The clue "One-sixth of the world's ground surface until 1991" refers to the former Soviet Union, which occupied roughly one-sixth of the world's landmass before it dissolved in 1991. The Soviet Union was a superpower that spanned 11 time zones and included 15 republics, stretching from the Baltic Sea in the west to the Pacific Ocean in the east. It was the largest country in the world by area, and its dissolution marked a major shift in the geopolitical landscape of the world.