1820 in India

General Sir Hector Munro, 8th Laird of Novar, KB was a British Army officer and politician who sat in the British House of Commons representing the constituency of Inverness Burghs from 1768 to 1802.

The Madras Presidency or Madras State, officially called the Presidency of Fort St. George until 1937, was an administrative subdivision (state) of British Raj and later the Republic of India. At its greatest extent, the presidency included most of southern India, including all of present-day Andhra Pradesh, almost all of Tamil Nadu and parts of Kerala, Karnataka, Odisha and Telangana in the modern day. The city of Madras was the winter capital of the presidency and Ooty (Udagamandalam) was the summer capital.

The Second Anglo-Mysore War was a conflict between the Kingdom of Mysore and the British East India Company from 1780 to 1784. At the time, Mysore was a key French ally in India, and the conflict between Britain against the French and Dutch in the American Revolutionary War influenced Anglo-Mysorean hostilities in India. The great majority of soldiers on the company side were raised, trained, paid and commanded by the company, not the British government. However, the company's operations were also bolstered by Crown troops sent from Great Britain, and by troops from Hanover, which was also ruled by Great Britain's King George III.

Major-General Sir Thomas Munro, 1st Baronet KCB was a Scottish soldier and British colonial administrator. He served as an East India Company Army officer and statesman, in addition to also being the governor of Madras Presidency.

Sir Alexander John Arbuthnot was a British official and writer.

Raj Bhavan, literally the "Governor's Residence," is the official residence of the governor of Tamil Nadu. It is located in Chennai, the capital city of Tamil Nadu.

Anna Salai, formerly known as St. Thomas Mount Road or simply Mount Road, is an arterial road in Chennai, India. It starts at the Cooum Creek, south of Fort St George, leading in a south-westerly direction towards St. Thomas Mount, and ends at the Kathipara Junction in Guindy. Beyond the Kathipara Junction, a branch road arises traversing westwards to Poonamallee to form the Mount-Poonamallee Road while the main branch continuing southwards to Chennai Airport, Tambaram and beyond to form Grand Southern Trunk Road. Anna Salai, which is more than 400 years old, is acknowledged as the most important road in Chennai city. The head offices of many commercial enterprises and public buildings are located along Anna Salai. It is the second longest road in Chennai, after EVR Periyar Salai.

Stephen Rumbold Lushington was an English Tory politician and an administrator in India. He was governor of Madras from 1827 to 1835.

C.S.I. St. Mary's Church is the Anglican church located at Fort St George in Chennai, Tamil Nadu, India. It lies East of Suez and also the oldest British building in India. The church is popularly known as 'Westminster Abbey of the East'.

The Madras Army was the army of the Presidency of Madras, one of the three presidencies of British India within the British Empire. The Madras Army was originally intended to be composed only of Rajputs, Mussalmans, and the three Telugu castes the Kammas, the Razus and the Velamas.

The siege of Negapatam was the first major offensive military action on the Indian subcontinent following the arrival of news that war had been declared between Great Britain and the Dutch Republic, beginning the Fourth Anglo-Dutch War. A British force besieged the Dutch-controlled port of Negapatam, the capital of Dutch Coromandel, on the eastern coast of India, which capitulated after the fortification's walls were breached. The Dutch garrison consisted of 500 European troops, 5,500 local troops, and 2,000 troops of Hyder Ali, the ruler of Mysore.

The Island, also called as Island Grounds, is a river island situated on the Cooum River in the northern part of the Indian city of Chennai. The island was created artificially in the early 19th century by merging the Coovum River with the then "Elambore River". An equestrian statue of Sir Thomas Munro, popularly known as "His Stirrupless Majesty", is located on the island. The Madras Gymkhana Club and Pallavan Illam, the headquarters of the Metropolitan Transport Corporation (MTC), Chennai are also located here. The Island Grounds constitute a vast empty space on the island where fairs and exhibitions are held.

General John Munro of the H.E.I.C.S was a Scottish soldier and administrator who served as Resident and Diwan of the States of Travancore and Cochin between 1810 and 1819.

The statue of Thomas Munro is an equestrian statue of Thomas Munro, 1st Baronet, Major-General in the British Army and Governor of Madras from 1820 to 1827, located in the city of Chennai, India. The bronze statue sculpted by Francis Chantrey in the United Kingdom in 1834 and shipped to Madras in 1839, is one of the popular landmarks in Chennai. The absence of stirrups is one of the peculiarities of the statue and for this reason, it is also referred to as "The Stirrupless Majesty".

Rajaji Hall, previously known as the Banqueting Hall, Madras, is a public hall in the city of Chennai, India used for social functions. The hall was built by John Goldingham to commemorate the British victory over Tipu Sultan in the Fourth Anglo-Mysore War.