sentences:  This name is often found in the inscriptions of the city.Together with Cirta, Collo and Rusicade, Milevum formed the confederation known as the Four Colonies, the territory of which was very extensive.This confederation area was fully romanised in the fourth century, with nearly all the population speaking Latin, according to historian Theodor Mommsen 
  
  In the 6th century, the Byzantine Emperor Justinian had Milevum enclosed by a fortified wall, which still stands and forms a rampart for the Muslim city of Mila.