In a sense, yes. Christmas originated as a pagan celebration of the winter solstice in the Northern Hemisphere, which falls on December 21st. Over time, the Christian church adopted the holiday and transformed it into a celebration of the birth of Jesus Christ, which became known as Christmas. However, many of the traditions and symbols associated with Christmas, such as the evergreen tree, holly, and mistletoe, have their roots in ancient pagan beliefs and rituals. So, while Christmas has been deeply influenced by Christianity, it still contains elements of its pagan origins.