Quote Originally Posted by Proletariat
I only remarked because cavalry seems an odd 'go to' device against phalanx units, not that it was impossible. Maybe I read too much into it.
When you consider that the Phalanx is especially effective against cavilry it does seem odd. But the Caviltry IS the best weapon against phalanx.

The phalanx weaknesses is that it has poor mobility and that its sides are rear are exceptionally weak. Solution: Cavilry rear/side charge.