Although the 1621 Pilgrim celebration at Plymouth Colony in Massachusetts is usually regarded as the first Thanksgiving, other states disagree. Maine claims to have the held the earliest Thanksgiving fourteen years before the Plymouth holiday. The celebration had much in common with Plymouth’s, since English settlers shared a large meal with local Native Americans near the Kennebec River. Virginia held a religious service in 1619 after colonists landed safely at a place called Berkeley Hundred, located up the river from Jamestown. Neither the Maine nor the Virginia settlements survived, which is likely why the Plymouth Colony gets credit for the first Thanksgiving.

The colonists at Plymouth didn’t plan on making Thanksgiving an annual holiday, however. Instead, they held days of thanksgiving whenever they felt especially grateful to God. For example, in 1623, Plymouth’s crops withered. When rain fell, the colonists held a day of thanksgiving prayer. Basically, in bad times the Pilgrims fasted, and in good times they gave thanks.

Even in the…