This paper reveals the ancient Pallava Dynasty of Dravidia to be of the Iranic race, and as constituting a branch of the Pahlavas, Parthavas or Parthians of Persia. It uncovers the consequent Iranic foundations of Classical Dravidian architecture. It also describes a short history of the Pallavas of Tamil Nadu, including the cataclysmic 100-Years' Maratha-Tamil War.