The constant faith (paradosis) of the Church affirms the belief
in the Assumption of Mary.
From the 5th Century
The Feast of the Assumption of Mary was celebrated in Syria.
5th and 6th Century
The Apocryphal Books were testimony of a certain Christian
sense of the abhorrence felt that the body of the Mother of God
should lie in a sepulcher.
6th Century
The Feast of the Assumption was celebrated in Jerusalem (and
perhaps even in Alexandria).
From the 7th Century
Clear and explicit testimony was given on the Assumption of
Mary in the Eastern Church; The same testimony is clear also
in the Western Church (Gregory, Tours, 538-594).
Gregory of Tours