It was 2 years before the Pilgrims Thanksgiving! Also, in 1565 a Spanish explorer Pedro Menendez de Vile’ celebrated Thanksgiving in St. Augustine, Fl. with the local Ticumua tribe. It was President Lincoln who declared the November Holiday for Thanksgiving.
On October 3, 1863, with this victory in mind, as well as its cost, President Lincoln issued a proclamation: I do therefore invite my fellow citizens in every part of the United States, …to set apart and observe the last Thursday of November next, as a day of Thanksgiving.