The city was established in the 17th century by the British, who developed it into a major urban centre and naval base. By the 20th century, it had become an important administrative centre, as the capital of the Madras Presidency.
St. Thomas Mount is a small hillock located in Chennai, Tamil Nadu, India. Located near the neighborhood of Guindy and close to the airfield in Chennai, St. Thomas Mount is associated with St. Thomas, the apostle of Christ, who is believed to have been martyred here. The mount is commonly called in Tamil (Tamil language) "Parangi Malai", History says 2000 years back a saint 'Parangi' 'Peeringi' munivar who lived here. Over period of time Anglo Indians predominated in this areas. A small relic-filled Church built in 1523 by the Portuguese stands at the summit of the 300 foot high St. Thomas Mount. The place was visited by Pope John Paul II during his visit to India on 5th February 1986. The Indian Army operates an Officers training Academy (OTA) on the mount. The South line of the Chennai suburban railway has a station named after St. Thomas Mount here.
San Thome Basilica is a Roman Catholic cathedral in Santhome, in the city of Chennai (Madras), India. It was built in the 16th century by Portuguese explorers, and rebuilt again with the status of a cathedral by the British in 1893. The British version still stands today. It was designed in neo-Gothic style, favored by British architects in the late 19th century.