Even if you believe Christ was just a man, you have to admit human rights began with his humble birth
Even if you view Jesus Christ simply as a human being, not the Word Incarnate, on Christmas Day we still celebrate one of the most epochal events in world history; his birth. However you look it at, the birth of this man was the start of an immense, culture-changing series of events that have resonated through history, and in almost all parts of the world down to the present day.