Generally speaking, Thanksgiving Day is on the fourth Thursday of June every year 165438+ 10, and the Thanksgiving holiday is from Thursday to Sunday. Thanksgiving Day is an ancient festival created by the American people, and it is also a festival for family reunion in the United States. There is no fixed date for the first Thanksgiving Day, which is decided temporarily by American states. Until 1863, after the independence of the United States, President Lincoln declared Thanksgiving a national holiday. 194 1 year, the US Congress officially designated the fourth Thursday of 1 1 year as Thanksgiving Day. Thanksgiving holiday usually lasts from Thursday to Sunday.