Language
20 events, 1816 to 2008; 4 marked as turning points.
1816
Ellis publishes the Dravidian Proof
Francis Whyte Ellis argued that the South Indian languages form a family separate from Sanskrit.
1819
Tamil scholar F. W. Ellis dies at Ramnad
Francis Whyte Ellis, Collector of Madras and founder of the College of Fort St. George, died of cholera on 10 March 1819 at Ramnad.
1856
Caldwell's Comparative Grammar of the Dravidian languages
With his Comparative Grammar, Robert Caldwell showed that the Dravidian languages make up a separate language family.

1901
Pandithurai Thevar founds the Fourth Tamil Sangam in Madurai
Pandithurai Thevar, a member of the Ramnad royal family, founded the Madurai Tamil Sangam, known as the Fourth Tamil Sangam, to promote Tamil learning.
1913
Work begins on the University of Madras Tamil Lexicon
In January 1913 the University of Madras began work on the Tamil Lexicon, the most comprehensive Tamil dictionary, published in 1924-1939.
1916
Maraimalai Adigal starts the Pure Tamil movement
Maraimalai Adigal pledged to use Tamil free of Sanskrit loanwords, starting the Tanittamil Iyakkam (Pure Tamil movement).

1936
University of Madras completes the Tamil Lexicon
The final volume of the University of Madras Tamil Lexicon was published, completing the largest Tamil dictionary of its time.
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.
1940
Compulsory Hindi order withdrawn
The Governor of Madras, Lord Erskine, withdrew the order making Hindi compulsory in schools, ending the first anti-Hindi agitation.
1946
Gandhi presides over Hindi Prachar Sabha silver jubilee
Gandhi came to Madras to preside at the Dakshina Bharat Hindi Prachar Sabha's silver jubilee.
1963
Parliament passed the Official Languages Act to allow continued use of English alongside Hindi after 1965.
1968
Official Languages (Amendment) Act guarantees bilingualism
Amid fresh protests in Madras State, Parliament amended the 1963 Act to ensure English would continue in use alongside Hindi.
Assembly adopts the two-language policy
The Madras Legislative Assembly scrapped the three-language formula and removed Hindi from the school curriculum, adopting Tamil and English.
1970
International Institute of Tamil Studies founded
The state government established the International Institute of Tamil Studies in Madras for research on Tamil.

Invocation to Tamil Mother adopted for state functions
Chief Minister Karunanidhi announced that verses of Manonmaniam Sundaram Pillai's invocation to Tamil Mother would open state government functions.

1981
Fifth World Tamil Conference held in Madurai
The fifth World Tamil Conference, a gathering of Tamil scholars from many countries, was held in Madurai.
1995
Eighth World Tamil Conference held in Thanjavur
The eighth World Tamil Conference was hosted in Thanjavur by the Tamil Nadu government.
2001
Tamil Virtual University established
To provide internet-based Tamil learning around the world, the Tamil Nadu government created the Tamil Virtual University, now the Tamil Virtual Academy.
2004
Tamil declared a classical language
The Government of India declared Tamil the first classical language of India.

2008
Central Institute of Classical Tamil moves to Chennai
The Union government's Centre of Excellence for Classical Tamil moved from Mysore to Chennai and became the Central Institute of Classical Tamil.