Edappadi K. Palaniswami
21 events, 2017 to 2026; 4 marked as turning points.
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.

The Palaniswami and Panneerselvam factions of the AIADMK reunited, with Panneerselvam becoming Deputy Chief Minister.

2018
Amma Two-Wheeler scheme for working women
Prime Minister Modi launched a 50 percent subsidy, up to Rs. 25,000, for working women buying scooters, on Jayalalithaa's 70th birth anniversary.

Thoothukudi anti-Sterlite police firing
Police fired on protesters marching against the Sterlite copper smelter in Thoothukudi, killing 13 people; the state ordered the plant closed.
2019
Tamil Nadu bans single-use plastics
The Tamil Nadu government's ban on plastic carry bags and other single-use plastic items came into force on 1 January 2019.
Second Tamil Nadu Global Investors Meet
The Palaniswami government held the second Global Investors Meet in Chennai, facilitating 304 MoUs worth about Rs 3 lakh crore.

DMK alliance sweeps 2019 Lok Sabha election in Tamil Nadu
The DMK-led Secular Progressive Alliance won 38 of the 39 Lok Sabha seats in Tamil Nadu.
Tamil Nadu Day first observed on 1 November
The Palaniswami government began observing 1 November as Tamil Nadu Day; in 2022 the DMK government moved it to 18 July.
Tenkasi district carved out of Tirunelveli
On 22 November 2019, Tenkasi district was carved out of Tirunelveli district.

Kallakurichi, announced on 8 January 2019 as the 33rd district, came into existence on 26 November 2019.

Vellore district trifurcated into Vellore, Ranipet and Tirupattur
Ranipet and Tirupattur districts, carved out of Vellore district, were officially declared on 28 November 2019.

Chengalpattu district carved out of Kanchipuram
Chengalpattu district, taking in Chennai's southern suburbs, came into existence on 29 November 2019.

2020
Cauvery delta declared a protected special agricultural zone
Tamil Nadu declared the Cauvery delta a protected special agricultural zone, barring new hydrocarbon and similar projects.

Mayiladuthurai district carved out of Nagapattinam
Mayiladuthurai became the 38th district of Tamil Nadu, ending the discontiguous shape of Nagapattinam district.

7.5 percent medical seat quota for government school students
The Governor assented to a law reserving 7.5 percent of medical seats for students who studied in government schools.

Palaniswami inaugurated 630 'Amma mini clinics' for basic health checks, part of a plan for 2,000 clinics across the state.

2021
Rs. 12,110 crore cooperative crop loan waiver
Ahead of the 2021 election, Palaniswami waived crop loans from cooperative banks for about 16 lakh farmers after cyclones damaged crops.

DMK wins 2021 election; M. K. Stalin becomes Chief Minister
The DMK-led alliance won the 2021 Assembly election and M. K. Stalin was sworn in as Chief Minister for the first time.

2022
Edappadi K. Palaniswami takes control of the AIADMK
The AIADMK general council made Edappadi K. Palaniswami interim general secretary and expelled O. Panneerselvam.

2024
DMK alliance wins all 39 Lok Sabha seats
The DMK-led INDIA bloc won all 39 Lok Sabha seats in Tamil Nadu; the AIADMK and BJP, contesting separately, won none.
2026
TVK wins most seats in 2026; Vijay becomes Chief Minister
In its first election the TVK became the largest party with 108 seats, and C. Joseph Vijay was sworn in as Chief Minister with the support of allies.
