According to the Chera poets, Senguttuvan was their greatest king. He is also known as the Red or Good Chera. He led many successful military expeditions. He has also been mentioned in the post-Sangam text, Silappadikaram.

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.

Lothal is located between the Sabarmati river and its tributary Bhogavo, in the Saurasthra region of Gujarat. Its dockyard was well connected with the river Bhogavo.