The Ptolemaic Army was the military force of the Ptolemaic Kingdom, which existed in Egypt from 305 to 30 BCE. It was established by Ptolemy I Soter, a general under Alexander the Great. The army was known for its diverse composition, including Greek mercenaries, native Egyptian soldiers, and other allied forces. The Ptolemaic Army utilized various military units, such as infantry, cavalry, and war elephants. It was organized into phalanxes, similar to the Macedonian style, and was equipped with advanced weaponry for its time. The army played a crucial role in maintaining the Ptolemaic dynasty's power and territorial control in the region.