Thanksgiving Day (Thanksgiving Day) is a day to celebrate the harvest was a gesture of thanks to God at the end of the harvest season. This Thanksgiving season, which originally came from about Christianity, but today, Thanksgiving is a holiday that does not involve religious celebration in the United States and Canada. In the United States, Thanksgiving falls on the fourth Thursday of November each year. While in Canada will meet the second Monday of October. This tradition arose subsequent to the immigration of Europeans to North America.