 Complete the following phrase:  Jasna Góra Monastery was founded in 1382 by Pauline monks who came from Hungary at the invitation of Władysław, Duke of Opole. The monastery has been a pilgrimage destination for hundreds of years, and it contains an important icon of the Virgin Mary. The icon, depicting the Mother of God with the Christ Child, is known as the Black Madonna of Częstochowa or Our Lady of Częstochowa, which is widely venerated and credited with many miracles. Among these, it is credited with miraculously saving the Jasna Góra monastery during the 