Let's see the text of Manetho:
“In 9 years, he dominated all of Asia and Europe as far as Thrace, erecting everywhere commemorative monuments of his conquests on the tribes…”
That of Herodotus:
“This King, told the priests (from Egypt) who left the shores of the Arabian Gulf with long vessels, submitted the inhabitants of the shores of the Eritrean Sea (…) He crossed the continent from one side to the other and from Asia to Europe advanced to the land of the Scythians and Thracians which it subjugated. (…) In these countries, in fact, we see that the stelae I was talking about were erected (…) Of the stelae that the King of Egypt Sesostris erected in the different countries, most are no longer visible and no longer exist, however , in Syria Palestine, I myself saw some which still exist (…) In Ionia (…) an inscription engraved in Egyptian sacred characters says this: “I, by the strength of my shoulders, I conquered this country".
Finally, that of Diodorus of Sicily:
“He subdued the whole Arab nation (…) He conquered most of Libya (Africa) (…) He sent a fleet of 400 hundred vessels to the Eritrean Sea after having for the first time in Egypt, built ships that war (…) with his army, he made his way by land through Syria and subdued all of Asia (…) He subjugated all the rest of Asia and the majority of the Cyclades (…) Moreover, he conducted himself with moderation towards all the conquered peoples (…) He ordered the subjugated nations to bring gifts to Egypt each year according to their possibilities (…) In Egypt (…) the king welcomed foreign kings and treated them in all other circumstances with honors and special distinctions ...