Cannon is a reliable weapon in a conventional warfare. Until now cannon technology is still growing
These cannons are usually installed on merchant ships and warships used for marine or maritime wars.
Weapons of ancient guns
Cannon is a reliable weapon in a conventional warfare. The cannon was the first milestone of Artillery creation, which has now become an arsenal that every armed force must possess. The first known cannon guns appeared in the 3rd century BC in Alexandria, designed by Ctesibius.
Since most of Ctesibius's designs are missing, there is little clue as to the findings of this cannon. But some of Philo's notes from Byzantium tell a little about Ctesibius's cannon designs, there it says it was fired by relying on air pressure.
In china
There is an old inscription in the 10th century that describes a weapon-like object (a flaming spear) and a hand grenade, found in Dunhuang. The battle using gunpowder with gunpowder was first recorded on 28 January 1132, during the Song Dynasty. At that time the general Han Shizhong, using a cannon called huochong, to seize a city part in Fujian. The sketch of the first cannon design is predicted to date from 1326. In 1341, Xian Zhang in his poem entitled Iron Cannon Problem, there was told of cannon balls capable of "penetrating the human heart or stomach, even penetrating more than one person in a single shot.
in Europe
Metal cannons first appeared in Europe known as pot-de-fer. The cannon contains a kind of arrow and then wrapped in leather, and is switched on using a kind of hot wire. This type of gun is used by the British and French in the battle of Hundred Years, from then on the cannon began to be widely used in every battlefield of countries in Europe.