When did the holy day celebrated on August 15 by Catholics become part of church law?
Catholics believe in the assumption of the body of the Blessed Virgin Mary into heaven after her death. John 19:26-27 states: When Jesus saw his mother and the disciple there whom he loved, he said to his mother, “Woman, behold, your son.” Then he said to the disciple, “Behold, your mother.” And from that hour the disciple (John) took her into his home. The minutes of the Ecumenical Council of Ephesus in 431 C.E. indicate that four or six years after the death and resurrection of Jesus, John and the Virgin Mary came together to Ephesus, and for a short time stayed in the building, a section of which is now under Church of the Virgin Mary today. Later John moved the Virgin Mary to a house he had prepared for her on Bulbul Dagi (Bulbul Hill). She lived there until the end of her earthly life. St. John of Damascus (P. G., I, 96) later wrote: St. Juvenal, Bishop of Jerusalem, at the Council of Chalcedon (451), made known to the Emperor Marcian and Pulcheria, who wished to possess the body
