In 1058 Alp Arslan wins Armenia, then part of the Byzantine Empire, and a number of border areas. From the Seljuks deploy offensive in Asia Minor - the latest Asian territory remains in the hands of Christians. Horse Seljuk hordes led by individual princes of the Seljuk house penetrate into Anatolia, go to the shores of the Black Sea, some of the larger units reach of Nicaea and the Aegean coast. Only then in Byzantium, busy at this time of exciting activities on the device many palace coups, nachinayutponimat that the empire is on the brink. Under pressure from the military establishment Basileus (emperor) became Roman Diogenes - a good leader, has already made a name for itself in European wars. Roman enthusiastically takes on the case, in the short term holds three victorious campaigns, and rejects the Seljuks to the old boundaries. But here's the thing: small Armenia refuses to re-submit to the Byzantine throne and tries to defend its independence, maneuvering between the two lions that bite in mortal combat. In 1071, Roman Diogenes assembles a huge army and leads it to the east, to punish the rebellious vassal. But does not sleep and Arslan Alps: it legkokonnogo army overtakes the Byzantines in the Armenian mountains. Here, the walls of the Armenian town of Manzikert, August 26, 1071 took place one of the greatest battles of the Middle Ages - the battle of those who change the whole course of world history. After a hard battle Byzantine troops were routed, and the Roman Diogenes was captured. The fate of Asia Minor was actually solved.