Battle of Gaza (312 BC)

The Battle of Gaza was a battle of the Third war of the Diadochi between Ptolemy (satrap of Egypt) and Demetrius (son of Antigonus I Monophthalmus).

Ptolemy launched an invasion of Syria. With 18,000 infantry and 4,000 cavalry he arrived to Gaza in early 312 BC.

Demetrius decided to offer him battle, but was routed; losing 500 men killed, a further 8,000 taken prisoner, and losing all his elephants. He retreated to Tripolis in Phoenicia.

Demetrius:
 * left wing: 2,900 cavalry, 1,500 light infantry and 30 war elephants under Demetrius command
 * center: 11,000 infantry phalanx and 13 elephants
 * right wing: 1,500 cavalry

Ptolemy:
 * left wing: 3,000 cavalry
 * center: 18,000 phalanx
 * right wing: 1,000 cavalry