The next event we hear of in the history of the city is its conquest by Alexander the Great (331 B.C.), and later by Ptolemy Lagi and Demetrius Poliorcetes.
Alexander's general, Ptolemy Lagi, becomes Satrap of Egypt.
Ptolemy Lagi gains possession of Palestine, which, with short interruptions, continues in the hands of the Ptolemies till 198.
Ptolemy Lagi assumes the title of king.
After the death of Alexander (323 B.C.) Ptolemy Lagi, who became satrap and then king of Egypt by right of conquest (Diodorus xviii.