She captured Karachi for the British, and participated in the First Opium War, which resulted in Britain gaining control of Hong Kong.
Although Wellesley was ordered as a Black Prince-class ship of the line, plans meant for her construction were lost in December 1812 when USS Constitution captured HMS Java.
The East India Company built her of teak, at a cost of £55,147, for the Royal Navy and launched her on 24 February 1815 at Bombay Dockyard.
Wellesley sailed into the harbour and proceeded to fire at the mud fort on Manora Island, quickly pulverising it.
The outcome was the Anglo-Persian Treaty, signed 28 October 1841, which recognised a mutual freedom to trade in the territory of the other and for the British to establish consulates in Tehran and Tabriz.
Admiral Maitland died on 30 November whilst at sea on board Wellesley, off Bombay; Commodore Sir Gordon Bremer replaced him.
That same day Wellesley participated in the Battle of the Bogue, which involved bombardments, landings, capture and destruction of nearly all the Chinese forts and fortifications on both sides of the Bocca Tigris up to Canton.
Next day, seamen and Royal Marines of the naval squadron attacked and captured the fort, camp and guns at a Chinese position during the Battle of First Bar.
The British proceeded to capture Amoy, Ningbo, Wusong and Shanghai, ending with the seizure of Zhenjiang and closing the entrance to the Grand Canal on 21 July 1842.
Some of her timbers found a home in the rebuilding of the Royal Courts of Justice in London, while her figurehead now resides just inside the main gates of Chatham Dockyard.