From the first century to the third century, Tamil literature began with the Sangam texts.
During this time a grammar book called "Tolkappiyam" was written.
The poet wrote a book called "Tiruvalluvar", "Kural".
The oldest known literature of Tamil literature is Shilpadigaram.
There is a Tamil story that justifies God's creation towards man. The sequel to these epics is "Manimekhlai".
Tamil poems from the $7th$ to the $10th$ century are mainly devotional poems.
The era of epics began with the rise of the Tamil Chola Empire.
During this time secondary epics were also written in which "Jivak", "Chintamani", "Sulamani", "Periyapuranam" are the main ones.
In all of this, the epic Kamban's "Ramayanam" was a grand expression of the supreme and Tamil intellectual genius.
After the Kamban era, the three Tamil kingdoms of Cher, Chola, and Pandya became extinct, turning the tide of Tamil poetry.