Americans have a big party at Independence Day. Some towns and cities have parades with music bands and flags on the Fourth of July. The atmosphere of the family party, with hot dogs and hamburgers in the afternoon and the fireworks at night makes the Fourth of July a national birthday party. Thanksgiving Day is on the fourth Tuesday in November. People started to celebrate it. In 1621 at Thanksgiving all people in the family gathering the house of their parents and eat a large traditional dinner.