sentences:  Cisalpine Gaulish
  
  The Celtic Cisalpine Gaulish inscriptions are frequently combined with the Lepontic inscriptions under the term "Celtic language remains in northern Italy".While it is possible that the Lepontians were autochthonous to northern Italy since the end of the 2nd millennium BC, it is well-known that the Gauls invaded the regions north of the river Po in several waves since the 5th century BC.