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A cannon is any piece of artillery that uses gunpowder or other usually explosive-based propellants to launch a projectile. Cannon vary in caliber, range, mobility, rate of fire, angle of fire, and firepower; different forms of cannon combine and balance these attributes in varying degrees, depending on their intended use on the battlefield. The word cannon is derived from several languages, in which the original definition can usually be translated as tube, cane, or reed. In the modern era, the term cannon has fallen into decline, replaced by "guns" or "artillery" if not a more specific term such as "mortar" or "howitzer", except for in the field of aerial warfare, where it is often used as shorthand for autocannon.
First invented in China, cannon were among the earliest forms of gunpowder artillery, and over time replaced siege engines—among other forms of ageing weaponry—on the battlefield. In the Middle East, the first use of the hand cannon is argued to be during the 1260 Battle of Ain Jalut between the Mamluks and Mongols. The first cannons in Europe were probably used in Iberia in the 11th and 12th centuries. It was during this period, the Middle Ages, that cannon became standardized, and more effective in both the anti-infantry and siege roles. After the Middle Ages most large cannon were abandoned in favour of greater numbers of lighter, more maneuverable pieces. In addition, new technologies and tactics were developed, making most defences obsolete; this led to the construction of star forts, specifically designed to withstand artillery bombardment though these too (along with the Martello Tower) would find themselves rendered obsolete when explosive and armour piercing rounds made even these types of fortifications vulnerable.
Murshidabad was a town and district of British India, in the Bengal Presidency. In the Mughal period it was the capital of Bengal. The town of Murshidabad is on the left bank of the Bhāgirathi-Hooghly or main sacred channel of the Ganges.
In 1704, Murshid Quli Khan, the Diwan of Bengal under Aurangzeb transferred the capital from Dacca (now Dhaka in Bangladesh), and renamed the city Murshidabad after his own name. In 1716, he attained the title of Nawab (ruler) of the Subah (province) of Bengal, and Murshidabad became his capital.

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Additional Photos by Nilotpal Patra (nilotpal_patra) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 206 W: 67 N: 306] (1688)
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