Protest
34 events, 1908 to 2022; 6 marked as turning points.
1908
Coral Mill strike in Tuticorin
Led by V. O. Chidambaram Pillai and Subramania Siva, Coral Mill workers in Tuticorin struck against poor pay and harsh conditions.

Arrest of V. O. Chidambaram Pillai and Tirunelveli unrest
The arrest of V. O. Chidambaram Pillai and Subramania Siva on sedition charges set off unrest in Tirunelveli and Tuticorin.

1917
The Madras government interned Annie Besant at a hill station for her Home Rule activities, provoking protests across India.

1919
Gandhi conceives the Rowlatt hartal in Madras
While staying with C. Rajagopalachari in Madras, Gandhi conceived a nationwide hartal against the Rowlatt Act, observed on 6 April 1919.

1921
Buckingham and Carnatic Mills strike
Workers of the Buckingham and Carnatic Mills in Madras went on a prolonged strike against Binny and Co. over wages and conditions.
1923
First May Day celebration in India
Singaravelar organised the first May Day celebration in India at Madras and launched the Labour Kisan Party of Hindustan.

1927
Nationalists in Madras campaigned for the removal of the statue of Colonel James Neill from Mount Road.

1928
Simon Commission boycott in Madras
Protesters in Madras demonstrated against the Simon Commission, and T. Prakasam famously defied police during the protest.

Workers of the South Indian Railway struck against planned layoffs of over 3,100 employees, disrupting transport across South India.
1930
C. Rajagopalachari led a march from Tiruchirappalli to Vedaranyam to break the salt law, the Tamil counterpart of the Dandi March.

1932
Freedom fighter Tiruppur Kumaran died of injuries from a police assault during a protest march, holding the national flag.

Madras and Southern Mahratta Railway strike
Railway workshop workers at Perambur began a strike against retrenchment that spread across the Madras and Southern Mahratta Railway.
1934
Abhiramam convention against the Criminal Tribes Act
Muthuramalinga Thevar organised a convention at Abhiramam demanding repeal of the Criminal Tribes Act.

1938
Tamilar Padai march from Tiruchi to Madras
Known as the Tamilar Padai, anti-Hindi protesters marched from Tiruchirappalli to Madras, addressing meetings in towns and villages en route.
Thevar jailed during Pasumalai mill strike
Muthuramalinga Thevar was jailed for seven months while leading a strike at the Mahalakshmi Mills in Pasumalai near Madurai.

Tamil Nadu Women's Conference backs anti-Hindi agitation
To display women's backing for the protests against compulsory Hindi, a Tamil Nadu Women's Conference met in Madras.
1939
Deaths of Natarajan and Thalamuthu in custody
Anti-Hindi protesters L. Natarajan and Thalamuthu died after being jailed, and were claimed as the first martyrs of the anti-Hindi movement.
1942
Quit India Movement in the Tamil districts
Congress leaders in the Tamil region were arrested as the Quit India Movement began, followed by strikes, sabotage and police firing.

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.
1964
Chinnasamy self-immolates against Hindi imposition
DMK member Chinnasamy set himself on fire at Tiruchi, the first of the language martyrs of the second anti-Hindi struggle.
1965
Student-led protests against Hindi becoming the sole official language turned into statewide riots, with police firing and self-immolations.
1986
DMK agitation against Navodaya schools
The DMK protested the National Policy on Education's Navodaya schools, seen as a route for Hindi imposition; the schools were not opened in Tamil Nadu.
1987
Vanniyar reservation agitation
The Vanniyar Sangam led a road blockade agitation in northern Tamil Nadu demanding separate reservation for the Vanniyar community.
1993
Jayalalithaa fasts on the Marina over Cauvery water
Seeking Cauvery water from Karnataka for the kuruvai crop, Chief Minister Jayalalithaa went on a fast of about 80 hours beside the MGR memorial.
2009
Self-immolation of K. Muthukumar
Journalist K. Muthukumar set himself on fire in Chennai in protest against the killing of Tamil civilians in the Sri Lankan war.
2011
Protests against the Kudankulam nuclear plant
Fishing villages around Idinthakarai led a sustained movement against the Kudankulam nuclear plant, which nonetheless began operating in 2013 and 2014.

2013
Student protests over Sri Lankan Tamils
Colleges were shut after students throughout Tamil Nadu protested over alleged war crimes against Sri Lankan Tamils.

2017
Pro-jallikattu protests at Marina Beach
Mass protests led largely by students and youth at Marina Beach forced an ordinance and then a state law allowing jallikattu.

Neduvasal protests against hydrocarbon extraction
Villagers of Neduvasal in Pudukkottai district protested against a central plan to extract hydrocarbons from farmland.
2018
Thoothukudi anti-Sterlite police firing
Police fired on protesters marching against the Sterlite copper smelter in Thoothukudi, killing 13 people; the state ordered the plant closed.
2022
Violence at Kaniyamoor school over student's death
Protests over the death of a Class 12 student at a private residential school in Kallakurichi district turned violent.