As they grew increasingly large and powerful, wagons carrying sections of prefabricated trebuchets were brought to a siege and assembled in situ. A trebuchet was a medieval siege weapon ...

The Trebuchet was invented by Mariano Taccola, "the Sienese Archimedes." This war machine was invented during the Middle Ages (around 1400 AD) in order to destroy the great walls of the enemy palaces.