Tamil Kings attended Nala Damayanthi Swayamvara, which had taken place before the Ramayana,Rama’s wedding with Sita, Draupadi’Swayamvara in the Mahabharata, Tamil kings fought alongside the Pandavas in the Epic Battle of Mahabharata,Tamil King Cheralaathan fed both Kaurava and Pandava army during the Mahabharata war,He performed Tharpana for those who lost their Lives in the war, Arjuna, Sahadeva went ona Pilgrimage to South,Arjuna marred a Pandyan Princess and Lord Krishna was a special Invitee for the Tamil Sangam, He married a Pandyan Princess, had a daughter through her named Pandiah,had her married to a Pandyan Prince and gave away 100 Yadava Families as Gift f to her during her marriage.
And Balarama visited the South and worshiped Lord Murugan, ( Subrahmanya) at Valliyur, Durga at Kanya Kumari, and also worshiped Parashurama.