=54.= A new power was indeed arising in the East, against which the three older but feebler monarchies, Babylonia, Lydia, and Egypt, found it necessary to combine their forces. After the conquest of Lydia, and the extension of the Persian Empire to the Ægean Sea, Nabonadius had still fifteen years for preparation. He improved the time by laying up enormous quantities of food in Babylon; and felt confident that, though the country might be overrun, the strong walls of Nebuchadnezzar would enable him cheerfully to defy his foe. On the approach of Cyrus he resolved to risk one battle; but in this he was defeated, and compelled to take refuge in Bor´sippa. His son Belshazzar, being left in Babylon, indulged in a false assurance of safety. Cyrus, by diverting the course of the Euphrates, opened a way for his army into the heart of the city, and the court was surprised in the midst of a drunken revel, unprepared for resistance. The young prince, unrecognized in the confusion, was slain at the gate of his palace. Nabonadius, broken by the loss of his capital and his son, surrendered himself a prisoner; and the dominion of the East passed to the Medo-Persian race. Babylon became the second city of the empire, and the Persian court resided there the greater portion of the year. RECAPITULATION. Deioces, the first reputed king of Media, built and adorned Ecbatana. Phraortes united the Medes and Persians into one powerful kingdom. In the reign of Cyaxares, the Scythians ruled Western Asia twenty-eight years. After their expulsion, Cyaxares, in alliance with the Babylonian viceroy, overthrew the Assyrian Empire, divided its territories with his ally, and raised his own dominion to a high degree of wealth. His son Astyages reigned peacefully thirty-five years.