Stuffing-your-face-day - in the US the 4th Thursday in November - in Canada the second Monday in October. Basically to celebrate the Pilgrim's slaughtering of the Indians year after year.
One Maerican: What are you thankful for?
Other American: I am thankful for the help and all the food the Pequot Indians gave us when we started settling this land. What are you thankful for?
One American: I am thankful for slaughtering those very same Indians only a few years after!