Plymouth, Massachusetts up trading posts for furs. Chief Massasoit later formed a Peace Treaty with the Pilgrims. Upon growing a plentiful harvest in the fall of 1621, the Pilgrims gathered with Squanto, Samoset, Massasoit, and ninety other Wampanoag men in a celebration of thanksgiving to God for their plentiful harvest. This celebration is known today as the First Thanksgiving, and is still commemorated annually in downtown Plymouth with a parade and a reenactment. Since 1941, Thanksgiving has been observed as a federal holiday in the United States. Plymouth served as the capital of Plymouth Colony (which consisted of modern-day Barnstable, Bristol, and
Pilgrims (Plymouth Colony) in Boston. A song composed for the occasion used the word "Pilgrims", and the participants drank a toast to "The Pilgrims of Leyden". The term was used prominently during Plymouth's next Forefather's Day celebration in 1800, and was used in Forefathers' Day observances thereafter. By the 1820s, the term "Pilgrims" was becoming more common. Daniel Webster repeatedly referred to "the Pilgrims" in his December 22, 1820 address for Plymouth's bicentennial, which was widely read. Harriet Vaughan Cheney used it in her 1824 novel "A Peep at the Pilgrims in Sixteen Thirty-Six", and the term also gained popularity with the 1825