Crossword clues for the word: TWENTIETHCENTURY The word TWENTIETHCENTURY has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for TWENTIETHCENTURY Showing 1 to 3 of 3 results Clue(s) "Today, in a way" One of the first Buicks to roll off the line? Train of fame.