 In 1502 the town was completely burned by the Crimean Tatars, and as a result it temporarily lost its Magdeburg rights, regaining the privileges on August 29, 1535.In 1578 Kunów had 65 different artisans, and was famous for its white and red marble, used in construction of several palaces (such as the complex of Łazienki Park in Warsaw).By 1616 the town had 130 houses, a parish school and two churches, however after the catastrophic Swedish invasion of Poland (1655–1660), the number of houses was reduced to 63, with a population of 530.