Verdict
26 events, 1897 to 2025; 5 marked as turning points.
1897
Nadars entered the Meenakshi Sundareswarar temple at Kamudi in 1897; the courts, and in 1908 the Privy Council, ruled against their right of entry.
1944
Film stars M. K. Thyagaraja Bhagavathar and N. S. Krishnan were convicted in the murder of journalist C. N. Lakshmikanthan, later freed on appeal.

1951
Supreme Court strikes down the Communal G.O. in Champakam Dorairajan case
Madras State's caste-based Communal Government Order on college admissions was struck down by the Supreme Court.

1991
Cauvery tribunal issues interim award
The Cauvery Water Disputes Tribunal directed Karnataka to release 205 TMC ft of water a year to Tamil Nadu.

1992
In Dharmapuri district, a raid on the tribal village of Vachathi by police, forest and revenue officials left villagers assaulted and women raped.
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.
1999
Supreme Court verdict in Rajiv Gandhi assassination case
The Supreme Court upheld the convictions of seven accused in the Rajiv Gandhi assassination case and acquitted the other 19 sentenced by a TADA court.
2000
Pleasant Stay verdict and the Dharmapuri bus burning
Jayalalithaa was sentenced to a year's imprisonment in the Pleasant Stay hotel case; in the violence that followed, three agricultural students were burnt to death in a bus at Dharmapuri.
Jayalalithaa convicted in the TANSI land case
A trial court convicted Jayalalithaa and Sasikala over the purchase of state TANSI land by their firms in 1992, a verdict that barred her from the 2001 election.
2001
Supreme Court unseats Jayalalithaa, O. Panneerselvam becomes Chief Minister
After the Supreme Court held Jayalalithaa's appointment invalid, O. Panneerselvam served as Chief Minister until she returned in March 2002.

2004
Arrest of the Kanchi Shankaracharya
Jayendra Saraswathi of the Kanchi math was arrested in the Sankararaman murder case; he and the other accused were acquitted in 2013.

2010
Samacheer Kalvi: uniform school education
Tamil Nadu introduced a common syllabus across state, matriculation and other school boards; the Supreme Court upheld it in 2011.
2011
Former Telecom Minister A. Raja and later Kanimozhi were arrested in the 2G spectrum case; a special court acquitted all accused in 2017.

2014
Supreme Court verdict on Mullaperiyar dam
The Supreme Court allowed Tamil Nadu to raise the Mullaperiyar reservoir level to 142 feet and struck down Kerala's law restricting it.

Jayalalithaa convicted in disproportionate assets case
A Bengaluru special court convicted Jayalalithaa, forcing her to resign; the Karnataka High Court acquitted her in 2015 and she returned as Chief Minister.

2015
Jayalalithaa acquitted on appeal and returns as Chief Minister
Acquitted in the assets case by the Karnataka High Court, J. Jayalalithaa took the oath as Chief Minister for a fifth time.

Murder of Dalit engineering student Gokulraj
Dalit engineering student V. Gokulraj was abducted from a temple in Tiruchengode and murdered, in a case treated as an honour killing.
2016
Udumalaipettai honour killing of Shankar
Dalit youth Shankar was hacked to death in a busy street in Udumalaipettai for marrying Kausalya, a woman from a dominant caste.
2017
Sasikala convicted; Edappadi K. Palaniswami becomes Chief Minister
After the Supreme Court restored V. K. Sasikala's conviction, AIADMK legislators chose Edappadi K. Palaniswami as Chief Minister.

2018
Supreme Court final verdict on Cauvery waters
The Supreme Court reduced Tamil Nadu's share of Cauvery water slightly and ordered a scheme for implementation, leading to the Cauvery Water Management Authority.

Former Chief Minister and DMK president M. Karunanidhi died in Chennai and was buried at Marina Beach after a High Court ruling.

2020
Sathankulam custodial deaths of Jayaraj and Bennix
A father and son detained by Sathankulam police during the lockdown died after being beaten in custody, causing national outrage.
2023
Supreme Court upholds Tamil Nadu's jallikattu law
A five-judge Constitution Bench upheld the Tamil Nadu law that allowed jallikattu to be held after the 2017 protests.

2024
Anna University campus sexual assault case
A student was sexually assaulted on the Anna University campus; the sole accused was convicted and sentenced to life in 2025.

2025
Supreme Court rules against Governor's withholding of bills
The Supreme Court held that Governor R. N. Ravi acted illegally in withholding assent to ten re-passed bills and set timelines for Governors.

Life sentences in the Pollachi sexual assault case
All nine accused in the Pollachi case were found guilty by a Mahila court in Coimbatore and given life imprisonment.
