Old Assyrian Empire as "anchors" in the various attempts to define the chronology of Babylonia and Assyria between c. 2000 BC – c. 1300 BC.) Ashur-nadin-ahhe I (c. 1430 BC – c. 1415 BC), son and successor of Ashur-rabi I, was courted by the Egyptian Empire, which was a rival of the Mitanni, and attempting to gain a foothold in the Ancient Near East. Amenhotep II sent the Assyrian king a tribute of gold to seal an alliance against the Mitanni. It is likely that this alliance prompted Saushtatar, the ruler of the Mitanni, to invade Assyria, and sack its capital city, after
Historiography of the fall of the Western Roman Empire ancient Roman remains have been shown to have been less than half that of modern Europeans which have concentrations between 20-50ppm. The role and importance of lead poisoning in contributing to the fall of the Roman Empire is the subject of controversy and its importance and validity is discounted by many historians. John Scarborough, a pharmacologist and classicist, criticized Nriagu's book as "so full of false evidence, miscitations, typographical errors, and a blatant flippancy regarding primary sources that the reader cannot trust the basic arguments." He concluded that ancient authorities were well aware of lead poisoning and that it was