The Western Christian Church first celebrated a feast of the Conception of the Most Holy and All Pure Mother of God on December 9th perhaps as early as the 5th century in Syria. By the 7th century it was widely known feast in the East. In the same century the doctrine of Mary’s spotlessness was included in the Koran. However, when the Eastern Church called Mary achrantos (spotless or immaculate), it did not define exactly what this meant. Today the majority of Orthodox Christians would not accept the Scholastic definition of Mary’s preservation from original sin before her birth that subsequently evolved in the Western Church after the Great Schism of 1054.. After the feast was translated to the Western Church in the eighth century, it began to be celebrated on December 8th. It spread from