Agitation
9 events, 1934 to 2017; 2 marked as turning points.
1934
Abhiramam convention against the Criminal Tribes Act
Muthuramalinga Thevar organised a convention at Abhiramam demanding repeal of the Criminal Tribes Act.

1937
Compulsory Hindi order and first anti-Hindi agitation
The Rajaji government's move to make Hindi compulsory in schools triggered a large anti-Hindi agitation led by Periyar, the Justice Party and Tamil scholars.
1952
Potti Sriramulu dies fasting for Andhra State
Potti Sriramulu died in Madras after a long fast demanding a separate Telugu-speaking state, prompting the creation of Andhra State.

1953
Kallakudi agitation against the name Dalmiapuram
The DMK protested at Kallakudi against the renaming of the town as Dalmiapuram after an industrialist.

1954
Travancore Tamil agitation for merger with Madras
Tamils in southern Travancore-Cochin campaigned under Marshal Nesamony for the merger of Tamil-majority taluks with Madras State.
1956
Sankaralinganar fasts to death for renaming the state Tamil Nadu
Gandhian Sankaralinganar began a fast in Virudhunagar demanding that Madras State be renamed Tamil Nadu and died after 76 days.
1965
Student-led protests against Hindi becoming the sole official language turned into statewide riots, with police firing and self-immolations.
1987
Vanniyar reservation agitation
The Vanniyar Sangam led a road blockade agitation in northern Tamil Nadu demanding separate reservation for the Vanniyar community.
2017
Neduvasal protests against hydrocarbon extraction
Villagers of Neduvasal in Pudukkottai district protested against a central plan to extract hydrocarbons from farmland.