Zues Ammon was a combined deity of Greece and Egypt. The oldest son of Ptolemy II and Arsinoe, Ptolemy III Euergetes (Benefactor) became Emperor in 246 BC following is fathers death. He is responsible for the first of three massive stones that published decrees in three languges. Ptolemy III’s stone known as Canapos Stone, in it’s 26 lines of hieroglyphs, contains a decree for leap day being added to the Egyptian calendar of 365 days. The stone of his son Ptolemy IV is known as the Memphis Stone. That of Ptolemy III’s grandson, Ptolemy Epiphanes, is the now famous Rosetta Stone.
After a disagreement with the Seleucid court that led to his sister’s murder he invaded Syria (The Third Syrian War). In 241 BC the term s of a peace treaty gave Ptolemy new lands on the north coast of Syria and the port city of Antioch and the Ptolemaic Kingdom reached it’s greatest heights.