The Annunciation is the announcement by the angel Gabriel to the Virgin Mary that she would conceive Jesus Christ, marking the beginning of the Incarnation.

“The Theotokos heard a voice she knew not, when the Archangel brought her the glad tidings of the Annunciation; and, accepting his salutation with faith, she conceived Thee the pre-eternal God. Therefore in great rejoicing we also cry aloud to Thee: O God, who without change hast taken flesh from her, grant peace unto the world and to our souls great mercy. (Great Doxology)