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 earliest Satavahana inscriptions belong to the 1st century BCE. In the 1st century BCE the Satavahana defeated the Kanvas and established their rule over parts of central India.