Crossword clues for the word: THANKSGIVING The word THANKSGIVING has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for THANKSGIVING Showing 1 to 9 of 9 results Clue(s) ... KSG... "National day of gratitude, first observed by the Pilgrims in 1621" "Nov. 25, this year" "The second Monday in October, in Canada" Coming event. Fall holiday Holiday celebrated today (and when you can watch Chicago play 17-Across and Washington play 30-Across) October holiday in Canada Time to celebrate the Pilgrims' harvest