`  I would appreciate the solution ``give all dates in this article in terms of regnal years of Ramesses II (i.e. Year 5 for the Battle, year 21 for the treaty with Hattusili), and then in parentheses...`` - I happen to believe that there is much credibility in David Rohl's criticism against the conventional chronology. Babylonian chronology (as opposite to Assyrian chronology) in those centuries is entirely dependent on correctness of the Egyptian chronology, as several kings of Assyrian chronology had identical names and Babylonians may have used them without saying which precise king of that name was in question.  `