Untouchability
11 events, 1886 to 2022; 2 marked as turning points.
1886
Iyothee Thass declares Dalits are not Hindus
Anti-caste activist Iyothee Thass declared that the depressed classes were not Hindus, a stand he later carried into the Dravida Mahajana Sabha and the 1891 census.
1891
Rettamalai Srinivasan founds the Paraiyar Mahajana Sabha
Rettamalai Srinivasan set up the Paraiyar Mahajana Sabha, an early Dalit body, and launched the Tamil paper Paraiyan in 1893.

1893
Rettamalai Srinivasan launches the Paraiyan newspaper
Dalit leader Rettamalai Srinivasan started the Tamil paper Paraiyan in October 1893 to speak for the Paraiyar community.

1924
A satyagraha in Travancore demanded that people of oppressed castes be allowed to use the roads around the Vaikom temple; E. V. Ramasamy took part.

1930
Rettamalai Srinivasan at the Round Table Conference
Dalit leader Rettamalai Srinivasan represented the depressed classes alongside B. R. Ambedkar at the Round Table Conferences in London.

1936
Travancore Temple Entry Proclamation
The Maharaja of Travancore opened state temples to all Hindus regardless of caste, including temples in present-day Kanyakumari district.
1939
Madras Temple Entry Authorization and Indemnity Act
A law passed by the Rajagopalachari ministry lifted the bars on Dalits and Shanars entering Hindu temples across the Presidency.

Dalits enter Madurai Meenakshi Temple
A. Vaidyanatha Iyer led a group of Dalits and Nadars into the Meenakshi Amman Temple, Madurai, defying orthodox opposition.

1981
Meenakshipuram mass conversion
Several hundred Dalits in Meenakshipuram village in Tirunelveli district converted from Hinduism to Islam, citing caste discrimination.
1989
Uthapuram caste violence and the 'untouchability wall'
After caste violence in Uthapuram near Madurai in 1989, caste Hindus built a wall separating the Dalit area of the village.
2022
Vengaivayal drinking water tank contamination
Human faeces were found in an overhead water tank serving Dalit families in Vengaivayal village of Pudukkottai district.