Also grateful for friends and family, and for all loving and kind relations.
The Buddha encouraged us to think of the good things done for us by our parents, by our teachers, friends, whomever; and to do this intentionally, to cultivate it, rather than just letting it happen accidentally. —Ajahn Sumedho
Also, good to remember and acknowledge that Thanksgiving, while perhaps not as bad as Columbus Day, brings up reasons to not celebrate for many people, notably the indigenous First Peoples of this land, known as "Turtle Island" by some, and that these grievances are real, as evidenced in the placard in this photo:
It is possible to understand how being harmed can conflict with the effort to generate feelings of gratitude.
...I am thankful, indeed grateful, that peoples have visions of a world in the future that is just and humane...