Battle of Actium

Battle of Actium

Infobox Military Conflict
conflict=Battle of Actium
partof=The Final war of the Roman Republic

caption="The battle of Actium", by Lorenzo A. Castro, 1672.
date=2 September, 31 BC
place=Ionian sea, near the Roman colony of Actium, Greece
result=Decisive Octavian victory
combatant1=Octavian's supporters and forces
combatant2=Ptolemaic Egypt,
Mark Antony's supporters
commander1=Marcus Vipsanius Agrippa
commander2=Mark Antony
strength1=400 warships, mostly small liburnian vessels and Hexeres with 16,000 Legionary Marines and 3,000 archers.
strength2=230 warships, mostly quinqueremes with some larger Deceres, 30/50 Transports and 60 Egyptian warships. 2,000 Archers and 20,000 Legionary Marines.
casualties2=Over 5,000 killed;
200 ships sunk/captured

The Battle of Actium was the decisive engagement in the Final War of the Roman Republic between the forces of Octavian and the combined forces of Mark Antony and Cleopatra. It was fought on September 2, 31 BC, on the Ionian Sea near the Roman colony of Actium in Greece. Octavian's fleet was commanded by Marcus Vipsanius Agrippa, while Antony's fleet was supported by the fleet of his lover, Cleopatra VII, queen of Ptolemaic Egypt.

The victory of Octavian's fleet enabled him to consolidate his power over Rome and its domains, leading to his adoption of the title of Princeps ("first citizen") and his accepting the title of Augustus from the Senate. As Caesar Augustus, he would preserve the trappings of a restored Republic, but many historians view his consolidation of power and the adoption of his honorifics flowing from his victory at Actium as the end of the Roman Republic and the beginning of the Roman Empire.


The political agreement known as Second Triumvirate broke up due to the serious threat that Octavian felt from the existence of Caesarion, the natural son of the Egyptian queen Cleopatra and of Julius Caesar. The primary source of Octavian's authority, the loyalty of the legions, was mainly due to the Caesar's Legacy of 44 BC, which had established him as the unique legitimate heir of the great Roman general. This political advantage was severely threatened when Antony, his main colleague in the Triumvirate, divorced from Octavian's sister Octavia Minor and moved to Egypt to become Cleopatra's partner. The next step in Antony's strategy was an attempt to let Caesarion be accepted as a perfectly legitimate heir to Julius Caesar. Effectively, the thirteen-year-old child was formally charged in power by Antony and Cleopatra in 34 BC, under the vague title of "King of the Kings". Octavian reacted by starting a propaganda war, denouncing Antony as a major challenge to Rome. According to Octavian, the ultimate scope of Antony was to establish a personal monarchy over the whole Roman Empire in the name of Caesarion, ruling out completely the Roman Senate. As the agreement named "Second Triumvirate" expired formally on the last day of 33 BC, the Senate issued a declaration of war against Cleopatra and deprived Antony of any official charge. During 32 BC, a third of the Senate and both consuls joined Antony's side. Military operations started in 31 BC, when Octavian's general Agrippa captured Methone, a Greek town allied to Antony.

Order of battle

The two fleets met outside the Gulf of Actium, on the morning of September 2, 31 BC, with Mark Antony leading 230 warships through the straits toward the open sea. Waiting beyond the straits was the fleet of Octavian, led by the experienced admiral Agrippa, who commanded from his position on the left wing of the fleet. Lucius Arruntius commanded the centre [Plutarch, "Antony", [*.html#65 65-66;] ] of Octavian's fleet while Marcus Lurius commanded the right [Velleius Paterculus, "History of Rome", [*.html#85 ii.85.] ] . Octavian's armies watching from shore to the north of the straits were under the command of Statilius Taurus [Velleius Paterculus, "History of Rome", [*.html#85 ii.85.] ] .

Mark Antony and Gellius Publicola commanded the right wing of the Antonian fleet, while Marcus Octavius and Marcus Insteius commanded the centre [Plutarch, "Antony", [*.html#65 65-66;] ] , with Cleopatra's squadron positioned behind them. Gaius Sosius launched the initial attack of the battle from the left wing of the fleet, while Antony's chief lieutenant Publius Canidius was left in charge of the triumvir's land forces [Velleius Paterculus, "History of Rome", [*.html#85 ii.85.] ] .

The battle

Mark Antony's warships were mostly massive quinqueremes, huge galleys with massive rams that could weigh up to three tons. The bows of the galleys were armored with bronze plates and square-cut timbers, making it difficult to successfully ram them with similar equipment. Unfortunately for Antony, many of his ships were undermanned due to a severe malaria outbreak that had struck his forces while he was waiting for Octavian's fleet to arrive. Many oarsmen had died even before the battle began, thus rendering them unable to execute the tactic for which they were expressly designed: powerful, head-on ramming. The morale of his troops had also suffered from the cutting of supply lines. Antony had burned the ships he could no longer man, clustering the remainder tightly together.

Octavian's fleet was comprised largely of smaller, fully-manned Liburnian vessels, armed with better-trained and fresher crews. His ships were also lighter and could protect themselves by out-manoeuvring the quinqueremes in Roman naval battle, where one objective was to ram the enemy ship and at the same time kill the above deck crew with a shower of arrows and catapult-launched stones large enough to decapitate a man. Prior to the battle, a general of Mark Antony known as Quintus Dellius had defected to Octavian and brought with him Mark Antony’s battle plans. Antony had hoped to use his biggest ships to drive back Agrippa's wing on the north end of his line, but Octavian's entire fleet stayed carefully out of range. Shortly after mid-day, Antony was forced to extend his line out from the protection of the shore, and then finally engage the enemy.

Seeing that the battle was going against Antony, Cleopatra's fleet retreated to open sea without participating. Mark Antony retreated to a smaller vessel with his flag and managed to escape the battle, taking a few ships with him as an escort to help break through Octavian's lines. Those that he left behind, however, were not so fortunate: Octavian's fleet captured or sank all of them.

Another theory about the battle suggests that Antony knew he was surrounded and had nowhere to run. Antony gathered his ships around him in a quasi-horseshoe formation, staying close to the shore for safety. If Octavian's ships tried to approach Antony's, the sea would push them into the shore. Antony may have known that he would not be able to defeat Octavian's forces, so he and Cleopatra stayed in the rear of the formation. Eventually, Antony sent the ships on the northern part of the formation to attack. He had them move out to the north, spreading out Octavian's ships which up until now were tightly arranged. He sent Gaius Sosius down to the south to spread the remaining ships out to the south. This left a hole in the middle of Octavian's formation. Antony seized the opportunity and with Cleopatra on her ship and him on a different ship, sped through the gap and escaped, abandoning his entire force.


The political consequences of this sea battle were far-reaching. As a result of the loss of his fleet, Mark Antony's army, which had begun as equal to that of Octavian, deserted in large numbers. Antony lost some 19 infantry legions and 12,000 cavalry under cover of darkness before he had any chance to engage Octavian on land. Despite a victory at Alexandria on July 31, 30 BC, more of Mark Antony's armies eventually deserted him, leaving him without a competent force to fight Octavian. Mark Antony then tried to flee from the battle. In a communication breakdown, Antony came to believe that Cleopatra had been captured, and so he committed suicide.

Cleopatra heard the news about Mark Antony and, rather than risk being captured by Octavian, committed suicide herself, on August 12, 30 BC. She allowed herself to be bitten by a poisonous asp that was reportedly hidden for her in a basket of figs. Octavian had Caesarion killed later that year, securing his legacy as Julius Caesar's only 'son'.

Thus, Octavian's victory at the Battle of Actium captured sole and uncontested control of the Roman domains of the Mediterranean; he became "first citizen" of Rome. This victory enabled his consolidation of power over every institution of Roman administration, as "Augustus Caesar", marking the transition of Rome from Republic to Empire. The final surrender of Egypt and the death of Cleopatra also marks, for many historians, the final demise of both the Hellenistic Age and the Ptolemaic Kingdom.

To commemorate his victory over Antony, Augustus established the Roman festival Actia. Augustus also erected a monument overlooking the site, which incorporated the bronze rams taken from the defeated ships. The surviving sockets in the stonework evidence the considerable size of these rams. [ [ Actium - the solution] ]



*Military Heritage published a feature about the Battle of Actium, involving Mark Antony, Gaius Julius Caesar Octavianus aka. Octavian (Julius Caesar's 18-year old adopted son and heir), and Cleopatra of Egypt (Joseph M. Horodyski, Military Heritage, August 2005, Volume 7, No. 1, pp 58 to 63, and p. 78), ISSN 1524-8666.
* Everitt, Anthony. Augustus: The Life of Rome's First Emperor. New York, Random House. 2006.

External links

* [ The Actium Project]
* [ The Naval Battle of Actium]
* [*.html Cassius Dio, "Roman History", Book 50]

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