Kallakudi demonstration
The Kallakudi demonstration was organised by the Dravida Munnetra Kazhagam (DMK) on 15 July 1953 in Kallakudi, Tiruchirappalli district against naming the place as Dalmiapuram. Ramakrishna Dalmia, a businessman from Bihar, established a cement factory in Kallakudi and the place was renamed Dalmiapuram on his request.