Solemnity of the Assumption of the Blessed Virgin Mary

Today the Church celebrates the Solemnity of the Assumption of the Blessed Virgin Mary. The assigned readings are Revelation 11:19, 12:1-6, 10; 1 Corinthians 15:20-27'; and Luke 1: 39-56. The Responsorial Psalm is Psalm 45 (Psalm 45: 10-12, 16).

The Gospel reading is as follows:

Mary set out and traveled to the hill country in haste to a town of Judah, where she entered the house of Zechariah and greeted Elizabeth. When Elizabeth heard Mary's greeting, the infant leaped in her womb, and Elizabeth, filled with the Holy Spirit, cried out in a loud voice and said, "Blessed are you among women, and blessed is the fruit of your womb. And how does this happen to me, that the mother of my Lord should come to me? For at the moment the sound of your greeting reached my ears, the infant in my womb leaped for joy. Blessed are you who believed that what was spoken to you by the Lord would be fulfilled."

And Mary said: "My soul proclaims the greatness of the Lord;  my spirit rejoices in God my Savior for he has looked with favor on his lowly servant. From this day all generations will call me blessed: the Almighty has done great things for me and holy is his Name. He has mercy on those who fear him in every generation. He has shown the strength of his arm, and has scattered the proud in their conceit. He has cast down the mighty from their thrones, and has lifted up the lowly. He has filled the hungry with good things, and the rich he has sent away empty. He has come to the help of his servant Israel for he has remembered his promise of mercy, the promise he made to our fathers, to Abraham and his children forever."

Mary remained with her about three months and then returned to her home.

From the Catechism of the Catholic Church:

965 After her Son's Ascension, Mary "aided the beginnings of the Church by her prayers." In her association with the apostles and several women, "we also see Mary by her prayers imploring the gift of the Spirit, who had already overshadowed her in the Annunciation."

. . . also in her Assumption

966 "Finally the Immaculate Virgin, preserved free from all stain of original sin, when the course of her earthly life was finished, was taken up body and soul into heavenly glory, and exalted by the Lord as Queen over all things, so that she might be the more fully conformed to her Son, the Lord of lords and conqueror of sin and death." The Assumption of the Blessed Virgin is a singular participation in her Son's Resurrection and an anticipation of the resurrection of other Christians:

In giving birth you kept your virginity; in your Dormition you did not leave the world, O Mother of God, but were joined to the source of Life. You conceived the living God and, by your prayers, will deliver our souls from death.

. . . she is our Mother in the order of grace

967 By her complete adherence to the Father's will, to his Son's redemptive work, and to every prompting of the Holy Spirit, the Virgin Mary is the Church's model of faith and charity. Thus she is a "preeminent and . . . wholly unique member of the Church"; indeed, she is the "exemplary realization" (typus) of the Church.

Background information:

Apostolic Constitution of Pope Pius XII:  Munificentissimus Deus - Defining the Dogma of the Assumption (1 November 1950)