sentences:  In 1382 the Paulist monastery of Jasna Góra was founded by Vladislaus II of Opole – the Polish Piast prince of Upper Silesia.Two years later the monastery received its famous Black Madonna icon of the Virgin Mary and in subsequent years became a centre of pilgrimage, contributing to the growth of the adjacent town.Częstochowa prospered in the late 15th and early 16th centuries, due to efforts of Sigismund I the Old, the future king of Polish-Lithuanian Commonwealth.