TraditionalCatholic.net · Holy Mary 

Four Marian Dogmas

1) Divine Motherhood - Council of Ephesus (431)

2) Mary's Virginity

a) Virginal Conception through the Spirit
b) Perpetual Virginity (virginal birth and no other children)

3) Immaculate Conception (Mary's freedom from original sin) - Pius IX, 1854

4) Mary's Assumption (body and soul) into heaven - Pius XII, 1950