I think
Canada Post would be the ultimate authority in answering the "Christmas" debate and they've done that here...
http://www.facebook.com/photo.php?f...vant_count=1"Did you know…Canada Post was the very first postal administration to issue a special Christmas stamp? It's true. The world's first Christmas stamp was issued on December 7, 1898/Saviez-vous que Postes Canada a été la première administration postale à émettre un timbre spécial pour Noël? Le premier timbre de Noël a été émis le 7 décembre 1898"