Christmass
Christmass

This is a article from the world's point of view, but is suprisingly accurate

Puritans in Colonial America staunchly opposed the observation of Christmas.] The Pilgrims of New England pointedly spent their first December 25 in the New World working normally. Puritans such as Cotton Mather condemned Christmas both because scripture did not mention its observance and because Christmas celebrations of the day often involved boisterous behavior Many non-Puritans in New England deplored the loss of the holidays enjoyed by the laboring classes in England Christmas observance was outlawed in Boston in 1659. The ban on Christmas observance was revoked in 1681 by English governor Edmund Andros, but it was not until the mid-19th century that celebrating Christmas became fashionable in the Boston region.]
The Nativity, from a 14th-century Missal; a liturgical book containing texts and music necessary for the celebration of Mass throughout the year
The coronation of Charlemagne on Christmas of 800 helped promote the popularity of the holiday