Thanksgiving is one of the biggest and most anticipated of all American holidays. Observed annually on the fourth Thursday of November, the secular celebration, which marks the beginning of the holiday season, can be traced to a harvest feast enjoyed by the early European settlers, or Pilgrims, and Native Americans. Though food remains the centerpiece of the celebration, many other fun traditions have been added since. Here is some Thanksgiving trivia to get the conversation going as you sit down for the scrumptious meal on November 23.