Census

First census of Madras city

The first census of the city of Madras was taken in 1831.

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.

Iyothee Thass founds the Dravida Mahajana Sabha

Iyothee Thass founded the Dravida Mahajana Sabha and urged Dalits to record themselves in the census as casteless Dravidians rather than Hindus.

Joint Action Committee on fair delimitation meets in Chennai

Chief Ministers and leaders from several states met in Chennai at Stalin's call to oppose delimitation based only on population.