Thanksgiving Day is a national holiday celebrated in the United States on the fourth Thursday of November. It is a day of giving thanks and expressing gratitude for the blessings of the year, particularly the harvest. The holiday has historical roots dating back to the early colonial times when the Pilgrims and Native Americans in Plymouth, Massachusetts, came together for a harvest feast in 1621.

Thanksgiving Day is observed as a time for families and friends to gather, share a meal, and reflect on their blessings. The traditional Thanksgiving meal often includes roasted turkey, stuffing, cranberry sauce, mashed potatoes, gravy, and pumpkin pie. Many people also take part in various activities such as parades, football games, volunteering, and charitable acts.

The holiday is an important part of American culture and is seen as a time of unity and togetherness. It is a time when people express gratitude for the good things in their lives and show appreciation for their loved ones. Thanksgiving Day also marks the beginning of the holiday season in the United States, with many people starting their Christmas shopping and decorating shortly after.

Overall, Thanksgiving Day is a cherished holiday in the United States, symbolizing gratitude, family and community.