sentences:  The first documented mention of Radom comes from the year 1155, in a bull of Pope Adrian IV ("villam iuxta Rado, que vocatur Zlauno", or "a village near Radom, called Sławno").By 1233, Radom was the seat of a castellan.The name of the city comes from the ancient Slavic given name "Radomir", and Radom means a "gord, which belongs to Radomir".