ca. 500,000 BC: origin of the human race, ca. 200,000 to 50,000 BC: evolution of "the Tamilian or Dravida[1]", ca. 200,000 to 100,000 BC, beginnings of Tamil ca. 100,000 to 50,000 BC, growth and development of Tamil, 50,000 BC: Kumari Kandam civilisation 20,000 BC: A lost Tamil culture of the Easter Island which had an advanced civilisation 16,000 BC: Lemuria submerged 6087 BC: Second Tamil Sangam established by a Pandya king 3031 BC: A Chera prince in his wanderings in the Solomon Island saw wild sugarcane and started cultivation in Tamilnadu. 1780 BC: The Third Tamil Sangam established by a Pandya king 7th century BC: Tolkappiyam, the earliest extant Tamil grammar
