In 1621, pilgrims from the Plymouth Colony hosted their first Thanksgiving. Edward Winslow, one of the members of the Mayflower, was the only member of the hundred person feast to write an eyewitness account of it. William Bradford, Plymouth’s governor in 1621, wrote briefly about the first three day Thanksgiving feast in “Of Plymouth Plantation, twenty years after the event. In his account he stated that the event was known as a harvest celebration, rather than Thanksgiving, and that it took place between September and November.