Tamil Nadu in the 1840s
18 events, 1840 to 1849.
1840
Madras Preparatory School, forerunner of Presidency College
A government preparatory school opened in Madras in 1840; it grew into the High School and eventually Presidency College.

1842
Ice House built on the Madras beach
Frederic Tudor built the Ice House facing the sea at Madras to store ice shipped from America; it is now Vivekanandar Illam.

Madras General Hospital opens to Indians
Once reserved for Europeans, the Madras General Hospital moved to a new H-shaped building and admitted Indians.

Parry's sugar factory at Nellikuppam
The firm founded by Thomas Parry set up a sugar plant at Nellikuppam, described as the first in India.

Pachaiyappa's Central Institution opens
Funded by the bequest of merchant Pachaiyappa Mudaliar, Pachaiyappa's Central Institution opened in Madras.
1843
Indian Slavery Act abolishes legal slavery
Under Act V of 1843, slavery lost legal recognition in Company territories, agrestic slavery in the Tamil districts included.
First emigrant ship from Madras reaches Mauritius
Britain allowed emigration from Madras to Mauritius again in December 1842, and the first ship from Madras reached the island in April 1843.
The Bank of Madras, one of the three Presidency banks, came into being through the merger of several banks in Madras.

1844
Jesuits found St. Joseph's College at Nagapattinam
French Jesuits opened a college at Nagapattinam that later moved to Tiruchirappalli as St. Joseph's College.

Higginbotham's bookshop founded in Madras
Abel Joshua Higginbotham founded Higginbotham's on Mount Road, regarded as India's oldest bookshop still in existence.

Madras's first standalone lighthouse begins operation
A granite Doric column built north of Fort St. George began working as Madras's lighthouse on 1 January 1844.

The Crescent, first Indian-owned newspaper in Madras
The Crescent, launched by Gazulu Lakshminarasu Chetty, was the Madras Presidency's first newspaper under Indian ownership.
1845
Denmark sells Tranquebar to the British
Denmark sold its settlement of Tranquebar (Tharangambadi) to the East India Company, ending Danish rule on the Tamil coast.

Kodaikanal hill station established
In the Palani Hills, American missionaries from the Madurai Mission founded Kodaikanal as an escape from the summer heat.

The Madras Railway was established to build the first main line railways of South India.

1847
Tyagaraja, the most celebrated composer of the Carnatic Trinity, died at Thiruvaiyaru on the banks of the Kaveri.

1848
Government Botanical Garden laid out at Ooty
William Graham McIvor of Kew laid out the Government Botanical Garden at Ootacamund.

1849
Arumuka Navalar receives his title at Thiruvaduthurai
Travelling to Madras to acquire a printing press, Jaffna scholar Arumuka Pillai received the title Navalar from the Thiruvaduthurai Adheenam.
