The Nilgiris district is known for spice cultivation, particularly cardamom, pepper, and other high-value spices in the Western Ghats region.

The Tamil Nadu State Fisheries Department manages and protects the state's marine resources, fisheries, and coastal development.

During the Sangam age, Brahmi script was used in Tamil Nadu inscriptions, which later evolved into the Tamil script.

The services sector, including IT, telecommunications, and tourism, contributes the largest percentage to Tamil Nadu's GSDP in recent years.

The Chola dynasty ruled for approximately 400 years, making it the longest-ruling dynasty in Tamil Nadu's ancient history.

The Vijayanagara Empire's influence over Tamil Nadu regions began in the 14th century but declined significantly after the Battle of Talikota (1565), with their control weakening through the 17th century.

As per recent economic data (2023-2024), Tamil Nadu ranks 4th in per capita income among Indian states, after states like Goa, Delhi, and Gujarat.

Madurai served as the capital of the Pandyan Empire. The city is mentioned in ancient Tamil literature and has been a significant cultural center for over 2,500 years.

Tamil Nadu achieved complete rural electrification in 2018 under the Pradhan Mantri Sahaj Bijli Har Ghar Yojana and state initiatives, becoming one of the first states to do so.

Sri Ranganathaswamy Temple in Srirangam is the largest functioning Hindu temple in the world by area, spanning 156 acres with 21 gopurams dedicated to Lord Ranganatha (Vishnu).