Eelam
15 events, 1983 to 2014; 1 marked as turning points.
1983
Black July and the arrival of Sri Lankan Tamil refugees
Anti-Tamil pogroms in Sri Lanka in July 1983 sent the first large wave of Sri Lankan Tamil refugees to Tamil Nadu.

1985
Tamil Eelam Supporters Organisation (TESO) formed
TESO was formed in Tamil Nadu to mobilise support for Sri Lankan Tamils, with M. Karunanidhi among its leaders.
1987
Operation Poomalai: Indian airdrop over Jaffna
Indian Air Force transport planes dropped relief supplies over the besieged city of Jaffna, halting a Sri Lankan army offensive against the Tamil militants.
An accord between India and Sri Lanka on the Tamil issue led to the dispatch of the Indian Peace Keeping Force to the island.
1990
Indian Peace Keeping Force withdraws from Sri Lanka
In March 1990 the final contingents of the Indian Peace Keeping Force, deployed under the 1987 accord, departed from Sri Lanka.

EPRLF leader K. Pathmanabha killed in Madras
EPRLF leader K. Pathmanabha and others were shot dead by gunmen in a Kodambakkam flat in Madras, in killings attributed to the LTTE.
1994
Vaiko founds the MDMK after split from DMK
Expelled from the DMK, Vaiko founded the Marumalarchi Dravida Munnetra Kazhagam (MDMK).

1997
Jain Commission interim report on the Rajiv Gandhi assassination
Criticism of the DMK over the LTTE in the Jain Commission's interim report prompted Congress to demand the party's exit, bringing down the Gujral government.
1998
TADA court sentences 26 to death in the Rajiv Gandhi assassination case
A designated TADA court at Poonamallee sentenced all 26 accused on trial to death for the conspiracy to assassinate Rajiv Gandhi.
2002
MDMK leader Vaiko was arrested under the Prevention of Terrorism Act for a speech supporting the LTTE and spent over a year and a half in jail.

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.
End of the Sri Lankan civil war
The Sri Lankan army defeated the LTTE, ending a 26-year war that had deeply affected Tamil Nadu's politics.

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

India's Prime Minister skips CHOGM in Colombo after Tamil Nadu pressure
After a unanimous Tamil Nadu Assembly resolution, Prime Minister Manmohan Singh stayed away from the Commonwealth summit in Colombo.
2014
Tamil Nadu parties oppose Rajapaksa's invitation to Modi's swearing-in
Sri Lankan President Mahinda Rajapaksa's attendance at Narendra Modi's swearing-in drew opposition from parties across Tamil Nadu.