Finally, in the midst of the Civil War, Abraham Lincoln proclaimed the last Thursday of November 1863 as Thanksgiving: a day to solemnly acknowledge the sacrifices made for the Union....Shopping was part of the American Dream, too. So in 1939, at the urging of merchants, FDR moved Thanksgiving ahead a week, to lengthen the Christmas shopping season. And there it has remained, a day of national gluttony, retail pageantry, TV football, and remembrance of the Pilgrims, a folk so austere that they regarded Christmas as a corrupt Papist holiday.