The correct answer is 1757. The first battle of Plassey took place on 23 June 1757 at a place called 'Plassi' on the banks of the river Ganges in the South Nadia district of Murshidabad. In this war, there was the army of the British East India Company on one side, and on the other side was the army of Siraj-ud-Daula, the Nawab of Bengal. The Battle of Plassey was the first occasion for the British to fully control power in India. Robert Clive was leading the British army in the Battle of Plassey. While on the other hand, Siraj-ud-Daulah's army was led by his three generals, Mir Jafar, Yar Latif Khan, and Raidurlabh. Additional InformationThere were a series of wars between the Marathas and the British:First Anglo- Maratha war ended in the year 1782. Second Anglo- Maratha War (1803-1805)Third Anglo- Maratha War (1817-1819)