The event that Americans commonly call the "First Thanksgiving" was celebrated by the Pilgrims after their first harvest in the New World in 1621. This feast lasted three days, and it was attended by 90 Native Americans (as accounted by attendee Edward Winslow) and 53 Pilgrims. The New England colonists were accustomed to regularly celebrating "thanksgivings"—days of prayer thanking God for blessings such as military victory or the end of a drought