For those who grew up outside of Israel the answer brings back familiar Christmas carols, shopping day count-downs, Santas and reindeer. On Christmas Eve, thousands of Christians flock to the Church of the Nativity in Bethlehem to celebrate. Built in the early Byzantine period (the fourth century CE) by Queen Helena, the mother of Emperor Constantine ("The Great"), this church commemorates the birth of Jesus. Jewish history, however, offers another perspective.