Chennai, originally known as Chennapatnam, was located in the province of Tondaimandalam, an area lying between Pennar river of Nellore and the Pennar river of Cuddalore. The capital of the province was Kancheepuram. Tondaimandalam was ruled in the 2nd century A.D. by Tondaiman Ilam Tiraiyan, who was a representative of the Chola family at Kanchipuram. It is believed that Ilam Tiraiyan must have subdued the Kurumbas, the original inhabitants of the region and established his rule over Tondaimandalam. Chennai is a city which has grown by merging numerous villages which are really ancient. The temples of Thiruvanmiyur, Thiruvotriyur, Thirvallikeni (Triplicane), Thirumyilai (Mylapore) have existed for more than 1000 years. Thiruvanmiyur, Thiruvotriyur and Thirumyilai are mentioned in the Thevarams of the Moovar (of the Nayanmars).
Early European settlers:
Modern Chennai had its origins as a colonial city and its initial growth was closely tied to its importance as an artificial harbour and trading centre. When the Portuguese arrived in 1522, they built a port and named it São Tomé, after the Christian apostle St. Thomas, who is believed to have preached there between the years 52 and 70. The region then passed into the hands of the Dutch, who established themselves near Pulicat just north of the city in 1612.
Arrival of the British:
By 1612, the Dutch established themselves in Pulicat to the north. In the seventeenth century when the British East India Company decided to build a factory on the east coast they selected Armagon (Dugarazpatnam), a village around 35 miles North of Pulicat, as the site in 1626. The calico cloth from the local area, which was in high demand, was of poor quality and not suitable for export to Europe. The British soon realized that the Armagaon was not a good port and it was unsuitable for trade purposes. Francis Day, one of the officers of the company, who was then a Member of the Masulipatam Council and the Chief of the Armagon Factory, made a voyage of exploration in 1637 down the coast as far as Pondicherry with a view to choose a site for a new settlement.
Post-independence (1947):
After India became independent, the city became the administrative and legislative capital of Madras State which was renamed as Tamil Nadu in 1968.
Modern Chennai:
Chennai , formerly known as Madras, is the capital of the state of Tamil Nadu and is India's fourth largest city. It is located on the Coromandel Coast of the Bay of Bengal. With an estimated population of 7.60 million (2006), the 369-year-old city is the 36th largest metropolitan area in the world.