KOR
Set to 2 different clues across 2 published puzzles, most often “It was split in 1948: Abbr.” — The New York Times, Saturday, 16 January 2010.
3 letters
Every clue on record, most used first
- It was split in 1948: Abbr.once
The New York Times — Saturday, 16 January 2010
- Asian peninsula: Abbr.once
The New York Times — Sunday, 9 May 2004