Originally Posted by
edelay
Word is that English settlers brought it over as a harvest celebration.
And Brompton invented the folding bike.
FWIW, Thanksgiving Celebration (including a sharing of turkey with Native Americans that was later copied by another outfit) lead by Friar Juan de Padilla in Palo Duro Canyon, Texas Panhandle, May 1541, Coronado Expedition. Hope yours was as good as theirs!