1. Tamil Nadu is the second largest economy in India after Maharashtra. 2. Tamil Nadu is the only state which has Indian flag in its seal. 3. Tamil language spoken by Tamil Nadu people is one of the oldest classical languages in the world. 4. 60% of the Total epigraphical inscriptions of India found by ASI (ARCHAEOLOGICAL SURVEY OF INDIA) are from Tamil Nadu. 5. Tamil Nadu has the following UNESCO World heritage sites A Mahabalipuram B-Three Chola temples: the Brihadisvara Temple at Thanjavur, the Temple of Gangaikonda Cholapuram and the Airavatesvara Temple at Darasuram build by chola empire. C Nilgiri Mountain railway D-Darasuram E Western ghats (shared with other states) 6. Rani Velu Nachiyar, was the woman freedom fighter of India against British colonialism and she was Queen of Siva Gangai. As my friend Pradyoth Hedge pointed out, the first woman freedom fighter of India was Rani Abbakka Chowta. She was the Queen of Ullal (Mangalore), who ruled parts of coastal Karnataka and fought against the Portuguese rule during the latter half of the 16th century. 7. Vellore mutiny of 1806 was the first instance of large scale uprising of Indian sepoys against British East India company. 8. Tamil Nadu has the highest proportion of women working in police force in India (12.5%) 9. TAMIL Written literature is the oldest in the world surviving for more than 2000 years. 10. TAMIL NADU is the largest producer of banana, turmeric, flowers and Tapioca in India. 11. The Traces of migration from Africa about 70000 years ago have been found in a village near Madurai, Tamilnadu. People living in Tamil Nadu may be one of the oldest thriving migrants from Africa.Every drop of human blood contains a history book written in the language of genes-- SPENCER Wells, population geneticist who surveyed the village-The rare genes of “NRYM130“ which is found among all the primitive aboriginals was proved to be present in Jyothimanickam Village people. 12. Bhakti movement started in Tamil Nadu and spread to North India. 13. The game kabaddi originated in Tamil Nadu.India is by far the successful international kabaddi team in the world, know why?We have been playing it for centuries as our native sport. 14. TAMIL NADU is the top tourist state of India for three consecutive years from 2014 15. People of Tamil Nadu has great love for their language “TAMIL” that they have named their kids as follows: Tamil selvi/selvan Tamil Anbu Senthamil selvi/ selvan Tamilanban Tamil Arasan / Tamil Arasi Tamil Mithran Tamil Vanan Thamizhini Shemmozhi (classical language) Muthamilselvi Tamil priya Tamil Alagan Thenthamizhosai Tamizhnidhi Tamizhiniyal 16. Tamil Nadu leads the country in organ donation-Tamil Nadu leads country in organ donation 17. Tamil Nadu tops the nation in solar power and wind power generation. 18. The southern most point of India is not Kanyakumari.It is Indira point of Great nicobar islands, Union territory of Andaman and Nicobar Islands. 19. Chennai amounts to 60% of the country's automotive exports to the world. Chennai is known as the Detroit of India. It is one of the top ten automobile hubs of the world.Chennai emerging as global export hub for small cars: TN Govt - ET Auto 20. Spencer Plaza located in chennai is the oldest shopping mall of India. 21. Koyambedu bus terminus in chennai is the largest in Asia. 22. Vandalur zoological Park is the largest in India in terms of area. It is also the first public zoo of India. 23. World health organization (WHO) has rated ADYAR CANCER INSTITUTE as top ranking center in the country. 24. Kathipara Junction is the largest cloverleaf flyover bridge in Asia. 25. As Miss. Nancy Kashyap has pointed out, Archaeological evidences indicates the crucible steel process started in Tamil Nadu before the common era (0AD). This wootz steel was exported to Damascus, Syria from India to make Damascus steel which are used in making sharp resilient blades . India exported steel ingots to Middle East from 3 A.D. to 17 A.D.