nicolajherskind said:
yes the romans sometimes got beaten by cav armies. However they did
not equip or train their infantry specifically to fight against charging cav. If so they would have given them long spears/pikes.
the large shields carried by the roman inf did offer some defence against horsearchers though.
It was becouse armies of their enemies at the time contained mainly infantry. Legionaries were used for fighting those enemy masses of infantry. Cavalry (both Roman and enemy) was usually of poor quality and insignificant numbers, and for fighting them (as well as other tasks) Marian Roman armies used auxiliaries. Legionary wasn't defenceless against cavalry, though. For fighting mounted troops they had
Pila and superior defense (mainly
Scutum).
Later on, when appearance of stirrups and hard saddle increased importance of cavalry, Roman tactics adapted. You might be interested in reading Arrianus study over phalanx...
Jolt said:
Oh, but they were! The phalanx pinned the enemy down while the heavy cavalry out flanked the pinned infantry and charged their rear, forcing them into the pikes. It's called Hammer & Anvil tactics. The problem was that in the later eras, the Diadochi neither had the manpower nor the wealth to field such large amounts of heavy cavalry.
Hammer & Anvil is simplification. It skips over light cavalry (used for scouting and in battles as well), hypaspistai, peltastai and archers among many others. It doesn't help to describe Gaugamela nor Hydaspes, either.
nalivayko said:
Precisely. Although I doubt the Diadochi lacked wealth to field heavy cavalry. Alexander got lucky, his father dedicated his life to build a perfect (or near perfect) army, Diadochi's environment, imho, was too unstable and they wanted the results too quickly. Simple lack of patience, maybe? Why train heavy cavalry when there is plenty of local cavalry around... which is mostly horse archers.
Some hellenistic kings lacked wealth and manpower to field cavalry-strong army (Philip V comes to mind); but some others (like Antioch III) had plenty of high quality heavy cavalry and excellent phalanx, supported by local levies and mercenaries. This army was in almost every way superior over Roman army. Almost - becouse it required competent leadership which Antioch III wasn't able to provide; it needed to be comanded, it's actions coordinated. It wasn't, and that's why it lost.