> the Christian celebration of the announcement by the angel Gabriel to the Virgin Mary that she would conceive and become the mother of Jesus, the Son of God, marking his Incarnation.
https://infogalactic.com/info/Annunciation
https://infogalactic.com/info/Feast_of_the_Annunciation
Catholic encyclopedia entry on topic: https://www.newadvent.org/cathen/01541c.htm
> Mary may not yet have fully understood the meaning of the heavenly message and how the maternity might be reconciled with her vow of virginity, but clinging to the first words of the angel and trusting to the Omnipotence of God she said:
> "Behold the handmaid of the Lord, be it done to me according to thy word."