The use of cannon and shot fired by gunpowder transformed war.
Gunpowder - a mixture of sulphur, saltptere and crushed charcoal - was invented by the Chinese.
It was in effective use in England from 1450 onwards.
Archers and knights gradually disappeared.
The hand gun was developed too, alongside varied large pieces of field artillery (cannon).
How is a cannon loaded and fired?
Click the picture for an answer
A cannon being fired on an El.izabethan warship.