In 1950, Pope Pius XII defined Mary's Assumption into heaven as a dogma of Roman Catholicism: "the Immaculate Mother of God, the ever Virgin Mary, having completed the course of her earthly life, was assumed body and soul into heaven." The proclamation of this dogma was made in the encyclical: Munificentissimus Deus. After entering heaven, Mary has remained active in the life of the Church.
of the Blessed Virgin Mary
Here below, the Eucharist represents their pledge,
and in a certain way, their anticipation:
Painting: Assumption of the Blessed Virgin Mary, artist unknown
Click here: Scott Hahn on the Assumption of the Blessed Virgin Mary - YouTube
What is the Assumption of Mary? - YouTube (9:30 mins)