The Chera dynasty, was a Sangam age Tamil dynasty who unified various regions of the western coast and western ghats in southern India to form the early Chera empire. The dynasty, known as one of the Three Crowned Kings of Tamilakam alongside the Chola and Pandya, has been documented as early as the 4th to 3rd centuries BCE. Their governance extended over diverse territories until the 12th century CE.

The Sangam literature historically known as 'the poetry of the noble ones' connotes the early classical Tamil literature and is the earliest known literature of South India. The Tamil tradition and legends link it to three legendary literary gatherings around Madurai and Kapāṭapuram: the first lasted over 4,440 years, the second over 3,700 years, and the third over 1,850 years. Scholars consider this Tamil tradition-based chronology as ahistorical and mythical. Most scholars suggest the historical Sangam literature era, also called the Sangam period, spanned from c. 300 BCE to 300 CE, while others variously place this early classical Tamil literature period a bit later and more narrowly but all before 300 CE. According to Kamil Zvelebil, a Tamil literature and history scholar, the most acceptable range for the Sangam literature is 100 BCE to 250 CE, based on the linguistic, prosodic and quasi-historic allusions within the texts and the colophons.