Memorial of Thanthai Periyar ▪ Kerala CM Pinarayi Vijayan and Tamil Nadu CM M.K. Stalin to inaugurate the renovated memorial of Thanthai Periyar in Vaikom. ▪ The Vaikom Satyagraha was the first organized movement for the rights of 'untouchable' communities in 1924. ▪ The museum houses Periyar's biography, the history of the Dravidian movement, images of his interactions with leaders, and copies of his writings