The Sangam literature excludes the historical texts of the Chera dynasty.
 According to David Shulman, a scholar of Tamil language and literature, the Tamil tradition believes that the Sangam literature arose in distant antiquity over three periods, each stretching over many millennia
 This Sangam era poem remained in the active memory and was significant to the Tamil people centuries later, as evidenced by its mention nearly 1,000 years later in the 11th- and 12th-century inscriptions and literary work

