With 20-Across, where the first-ever crossword puzzle appeared

Let's find possible answers to "With 20-Across, where the first-ever crossword puzzle appeared" crossword clue. First of all, we will look for a few extra hints for this entry: With 20-Across, where the first-ever crossword puzzle appeared. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.