The Sassanians ruled the last great imperial Empire of Persia before the Arab conquests of the 7th century. Rome's only equal in the classical world, the Sassanian Empire had an enormous impact on the development of architecture, mythology, arts, music, military tactics and technology. Within the Sassanian military, the cavalry was the most influential element, and Sassanian cavalry tactics were adopted by the Romans, Arabs, and Turks. Their cavalry systems of weaponry, battle tactics, Tamgas, M