1639 establishments in India

thumb|Old Delhi, Yamuna river bank Shahjahanabad, colloquially known as Old Delhi (Hindustani: Purāni Dillī), is a place in the Central Delhi district of Delhi, India. It was founded as a Walled City and officially named Shahjahanabad in 1648, when Shah Jahan decided to shift the Mughal capital from Agra. The construction of the fortified city was completed in 1648, and it remained the capital of Mughal India until its fall in 1857, when the British Empire (whose Indian capital was at Calcutta) took over as paramount power in the Indian subcontinent. After the inauguration of New Delhi as the