Black Hole of Calcutta to regions of space-time resulting from the gravitational collapse of very heavy stars. He recalled hearing physicist Robert Dicke in the early 1960s compare such gravitationally collapsed objects to the infamous prison. Black Hole of Calcutta The Black Hole of Calcutta was a small prison or dungeon in Fort William where troops of Siraj ud-Daulah, the Nawab of Bengal, held British prisoners of war for three days on 20 June 1756. John Zephaniah Holwell, one of the British prisoners and an employee of the East India Company, said that, after the fall of Fort William, the surviving British soldiers, Anglo-Indian
Nawabs of Bengal and Murshidabad of Bengal as Nawab Bahadur of Murshidabad, following Mansur Ali Khan's abdication They got the title changed as the title of the Nawab of Bengal was abolished in 1880. They had little or no say in the share of the revenue collected and were ceased to use any force. After Indian Independence in 1947 it was declared that the princely states must accede to either India or Pakistan (East/West Pakistan). Murshidabad (the capital city) became a part of East Pakistan (now Bangladesh) for two days, as it had a Muslim majority. It became a part of India on 17 August