He has to be turning over in his grave the way this country has gone.
Check it out:

President Ronald Reagan issued a Thanksgiving Day Proclamation on Oct. 13, 1986, stating that “the practice of offering thanksgiving underscores our unshakeable belief in God as the foundation of our nation.”

Perhaps no custom reveals our character as a Nation so clearly as our celebration of Thanksgiving Day. Rooted deeply in our Judeo-Christian heritage, the practice of offering thanksgiving underscores our unshakeable belief in God as the foundation of our Nation and our firm reliance upon Him from Whom all blessings flow. Both as individuals and as a people, we join with the Psalmist in song and praise: “Give thanks unto the Lord, for He is good.”