Almost everything we know about the first Thanksgiving in 1621 is based on a few lines from a letter. "Our harvest being gotten in, our governor sent four men on fowling, that so we might after a special manner rejoice together, after we had gathered the fruits of our labors; they four in one day killed as much fowl, as with a little help beside, served the Company almost a week, at which time amongst other Recreations, we exercised our Arms, many of the Indians coming amongst us, and amongst the rest their greatest king Massasoit, with some ninety men,...