The Indian Mutiny (also known as India's First War of Independence, Revolt of 1857, or the Sepoy Mutiny) began as a mutiny of sepoys of British East India Company's army on 10 May 1857, in the town of Meerut. It soon erupted into other mutinies and civilian rebellions largely in the upper Gangetic plain and central India, with the major hostilities confined to present-day Uttar Pradesh, Bihar, northern Madhya Pradesh, and the Delhi region. The rebellion posed a considerable threat to Company power in that region, and it was contained only with the fall of Gwalior on 20 June 1858. The rebellion proved to be an important watershed in Indian history; it led to the dissolution of the East India Company in 1858, and forced the British to reorganise the army, the financial system, and the admini