Happy Birthday Queen of Heaven

The Maria Bambina.
The history of the Maria Bambina here.

Ave Maria, gratia plena, Dominus tecum.
Benedicta tu in mulieribus,
et benedictus fructus ventris tui, Iesus.
Sancta Maria, Mater Dei,
ora pro nobis peccatoribus, nunc,
et in hora mortis nostrae.
Amen.

The Feast of the Birth of the Blessed Virgin Mary has been celebrated in the Church at least since the 8th Century. The Church's calendar observes the birthdays of only two saints: Saint John the Baptist (June 24), and Mary, Mother of Jesus.

The birth of Mary was miraculous. She was conceived without sin as a special grace because God had selected her to become the mother of His Son (the feast of her Immaculate Conception is celebrated on December 8).

Thy birth, O Virgin Mother of God,
heralded joy to all the world.
For from thou hast risen the Sun of justice,
Christ our God.

Destroying the curse, He gave blessing;
and damning death, He bestowed on us
life everlasting.

Blessed art thou among women
and blessed is the fruit of thy womb.
For from thou hast risen of Sun of justice,
Christ our God.

Here is a page of other prayers for Mary, including the Hail Mary in every language imaginable, and here is a page of prayers to the Infant Mary.