Saint Nicholas is an Advent saint. His feast day ( December 6 ) always occurs in the beginning of the Advent Season. The Saint morphed into the Santa of the USA through advertisement campaigns, politicians, and World War Two. The Saints day had its own traditions that were firmly rooted in Christianity. The bishop Nicholas was not a secular phenomenon. A great place to learn about the true Saint Nicholas is the Saint Nicholas Center . Click the link to learn about some of the Advent and Christian traditions that have been lost to secular consumerism.