Kalingarayan
Kalingarayan was a chieftain who ruled in the Kongu Nadu region of the present day Western Tamil Nadu in 13th century CE. Birth and history
Kalingarayan was born as a Lingaya Gounder in the Kongu Vellalar Gounder community in the western Tamil Nadu in 1240 CE. He independently ruled the Kongu Nadu region until it came under the influence of the Pandyas. Jatavarman Sundara Pandyan I annexed the Kongu Nadu region and Jatavarman Vira Pandyan II appointed Lingaya Gounder as a chieftain and granted him the title 'Kalingarayan'. Anicut and canal
Kalingarayan constructed a barrage on the Bhavani river and a  long Kalingarayan canal to connect Bhavani river with Noyyal river. The project was one of the oldest irrigation projects in India and irrigates s of agricultural land. The project including construction of the dam and canal started in 1271 and was completed in 1283. Legacy
In 2017, Government of Tamil Nadu planned to construct a memorial for Kalingarayan. In 2017, a memorial hall and statue of Kalingarayan was inaugurated by then Chief Minister of Tamil Nadu Palaniswami. The 5th day of Tamil month of Thai is celebrated as 'Kalingarayar day' every year. 