In ancient Roman warfare, the testudo or tortoise formation was a type of shield wall formation commonly used by the Roman legions during battles, particularly when they were the attacking force durin
Roman soldiers in "tortoise" formation
The testudo formation in a Roman military reenactment
17th century depiction by Wenceslaus Hollar
Riot police using riot shields in testudo formation during the 2005 Belize unrest
The Battle of Carrhae was fought in 53 BC between the Roman Republic and the Parthian Empire near the ancient town of Carrhae. An invading force of seven legions of Roman heavy infantry under Marcus L
Testudo formation
…testudo was not invincible, as Cassius Dio also gives an account of a Roman shield array being defeated by Parthian cataphracts and horse archers at the Battle of Carrhae: For if [the legionaries] decided to lock shields for the purpose of avoiding the arrows by the closeness of their array, the [cataphracts] were upon…
Extent of the Parthian Empire
Formations at the start of the battle
Relief of a Parthian cataphract attacking a lion using kontos