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Who won the Battle of Actium?
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Cleopatra
Cleopatra, carving from the temple of Horus at Idfū, Egypt.
Octavian (later known as the emperor Augustus) won the Battle of Actium on September 2, 31 BCE.12
The conflict was a decisive naval engagement between the forces of Octavian and the combined fleet of Mark Antony and Cleopatra. During the battle, Cleopatra withdrew her Egyptian squadron, and Antony followed her, leaving the remainder of his fleet to surrender to Octavian. This victory established Octavian as the undisputed master of the Roman world.12