This Alternate History looks at what could have happened if the Turks did NOT regain Central Anatolia. This period, which spans 910 to 1680, is divided into four "eras" of Byzantine Imperialism. In this AH, Byzantine inflicted cruising military defeats on the Turkish armies sent against it, and not only kept her borders but enlarged them, encompassing all the land up the eastern Black Sea to traditional Colchis (whose people she vassalised), and down to Jerusalem and then Egypt, both of which became vassals. Without the Crusades to unite them, the people of Northern and Central Europe fell on each other, and out of the ashes rose a new superpower, Gallica, created by a revolt from the populace of the Frankish kingdoms. The Normans were inducted into the kingdom, thus giving them no chance