The ancient empires of the Middle East, the Greeks and Byzantines, the Romans and the Germanic states of the Middle Ages all encountered the Oriental strategy of nomad peoples with surprise. Many authors describe the fundamental difference between the Western and the Eastern armies as heavy shock cavalry versus light cavalry employing the famous stratagem of the feigned retreat, which involved the light cavalry falling back to lure the enemy into disorder, then turning to attack the surprised enemy. Their mounted archers employed a special tactic requiring years of training, when they leaned back in the saddle and shot their arrows at pursuing enemies, sometimes employing this tactic while circling around the enemy. This was one of their more unusual and feared tactics, but more broadly the victories of the nomads rested on more complicated military tactics and excellent leadership. Moreover, the warfare of the nomadic peoples was not monolithic: it had not only common features but also ethnic and historic differences over the course of centuries. One tactical commonality was the specially trained horses of the nomads. When they first arrived in the Danube basin, the Hungarians used their traditional military tactics, but later they also had to learn how to use the enemy's weapons and warfare as a part of their Western enculturation. However, for several centuries there was no shortage of soldiers who were capable of nomad military tactics because Oriental tribal groups kept arriving into the country.