According to the Rabatak inscription, Kujula Kadphises was the great grandfather of the great Kushan king Kanishka I. He is considered as the founder of the Kushan Empire. He died in the year 80 A.D.
The famous Chola king Karikala of the Sangam age is credited with constructing a dam on the Kaveri river. It is considered to be the earliest dam in the country.