sentences:  In the second half of the 13th century, Radom was granted a Środa Śląska town charter by Prince Bolesław V the Chaste, although no documents exist to confirm the exact date of this event.The town prospered in the 14th century, when in 1350 King Kazimierz Wielki established the so-called "New Town", with a royal castle, a defensive wall, and a town hall.There was also a market square and a grid plan of the streets, patterned after Gothic German towns.