MUSINGS ON THE SCHEME OF THINGS

thelivyjr
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Re: MUSINGS ON THE SCHEME OF THINGS

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Continued from p.40:

Second Punic War, continued ...

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Spain (215 BC)

The Roman army in Spain prevented the Carthaginians from sending reinforcements from Iberia to Hannibal or to the insurgent Gauls in northern Italy during critical stages of the war.

Hasdrubal received orders from Carthage to move into Italy and join up with Hannibal to put pressure on the Romans in their homeland.

Hasdrubal demurred, arguing that Carthaginian authority over the Spanish tribes was too fragile and the Roman forces in the area too strong for him to execute the planned movement.

Hasdrubal acted by marching into Roman territory in 215 BC, besieged a pro-Roman town and offered battle at Dertosa.

In this battle, he used his cavalry superiority to clear the field and to envelop the enemy on both sides with his infantry, a tactic that had been very successfully employed in Italy.

However, the Romans broke through the thinned-out line in the centre and defeated both wings separately, inflicting severe losses, but not without taking heavy losses themselves.

Hasdrubal now had no chance of reinforcing Hannibal in Italy.

TO BE CONTINUED …

https://en.wikipedia.org/wiki/Second_Punic_War
thelivyjr
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Re: MUSINGS ON THE SCHEME OF THINGS

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Battle of Dertosa

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The Battle of Dertosa, also known as the Battle of Ibera, was fought in the spring of 215 BC on the south bank of the Ebro River across from the town of Dertosa.

A Roman army, under the command of Gnaeus Cornelius Scipio Calvus and Publius Cornelius Scipio, defeated a similarly sized Carthaginian army under Hasdrubal Barca.

The Romans, under Gnaeus Scipio, had established themselves in Hispania after winning the Battle of Cissa in 218 BC.

Hasdrubal Barca's expedition to evict them had ended in the defeat of the Iberian contingent of the Carthaginian navy at the Battle of Ebro River in 217 BC.

Hasdrubal launched another expedition in 215 BC, but the defeat at Dertosa cost the Carthaginians a chance to reinforce Hannibal at a critical juncture, and the Romans gained the initiative in Hispania.

The Scipio brothers continued with their policy of subjugating the Iberian tribes and raiding Carthaginian possessions.

After losing of most of his field army, Hasdrubal had to be reinforced with the army that was to sail to Italy and reinforce Hannibal.

Thus, by winning this battle, the Scipios had indirectly prevented the situation in Italy from getting worse in addition to improving their own situation in Iberia.

This battle also demonstrates the danger of implementing the double envelopment tactic.

TO BE CONTINUED …

https://en.wikipedia.org/wiki/Battle_of_Dertosa
thelivyjr
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Re: MUSINGS ON THE SCHEME OF THINGS

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Battle of Dertosa, continued ...

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Background

Hasdrubal Barca had been on the defensive since the defeat of his fleet at the Battle of Ebro River in the spring of 217 BC.

He had left Boaster, a subordinate commander, with a force to guard the Ebro line against any Roman encroachment.

Boaster had retreated when the Romans had crossed the Ebro.

Furthermore, he was tricked by an Iberian chieftain named Abylix into surrendering the Iberian tribal hostages held at Saguntum to the Romans.

This caused revolts in Carthaginian Iberia, especially among the Turdetani tribe near Gades in 216 BC.

Hasdrubal received 4,000 foot and 500 horsemen as reinforcements, with orders to march to Italy after securing Iberia.

The better part of 216 BC was spent in subduing the Iberian tribes; little effort was made to confront the Romans.

Gnaeus Scipio had received 8,000 reinforcements, under his brother Publius Scipio, after the battle of Ebro River.

The brothers enjoyed proconsular rank, and exercised joint command.

The brothers adopted an aggressive naval strategy given the destruction of the Carthaginian navy, raiding Barcid possessions in Iberia and the Balearic Islands.

The Scipios also recruited auxiliary troops from Iberian tribes, garrisoned towns to expand their operational sphere, consolidated their hold north of the Ebro River and dealt with tribal unrest there.

They also encouraged Iberian tribes friendly with Rome to raid tribes beyond the Ebro who were loyal to Carthage.

TO BE CONTINUED …

https://en.wikipedia.org/wiki/Battle_of_Dertosa
thelivyjr
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Re: MUSINGS ON THE SCHEME OF THINGS

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Battle of Dertosa, continued ...

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Prelude

In early 215 BC, the Romans crossed the Ebro River in force and laid siege to Ibera, a small Iberian town allied to Carthage.

Leaving Himilco in charge at Cartagena, Hasdrubal marched north with his field army to the Ebro.

However, he chose not to cross the Ebro to raid the Roman possessions, nor did he attack the Roman army besieging Ibera.

Instead, the Carthaginian army besieged a town allied with the Romans across Dertosa.

The Scipios lifted their siege and moved to engage Hasdrubal.

Thus, Hasdrubal had gained the strategic initiative: He had aided his allies by forcing the Romans to lift their siege and face the Carthaginian army on a site of his own choosing.

The opposing armies encamped on a plain between Ibera and Dertosa within five miles of each other.

After five days of skirmishing, the commanders drew out their armies for battle.

Opposing armies

The Roman infantry consisted of two Roman legions, with a total of 10,000 soldiers, and 18,000 allied Socii troops.

The cavalry comprised 600 Roman and 1,800 Italian heavy horse.

The Romans also recruited an auxiliary force of 2,000 Iberian foot and 400 heavy horse.

Hasdrubal had 15,000 Libyan spearmen, 1,000 mercenaries (mostly Ligurians from Italy) and 8,000 Iberian troops for his infantry.

The Carthaginian cavalry comprised 450 Libyan/Punic and 1,200 Iberian heavy horse and 2,300 Numidian light horse.

The Carthaginian army also had 20 elephants and 1,000 Balearic slingers.

TO BE CONTINUED …

https://en.wikipedia.org/wiki/Battle_of_Dertosa
thelivyjr
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Re: MUSINGS ON THE SCHEME OF THINGS

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Battle of Dertosa, continued ...

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Deployment before battle

The Romans posted their troops in their traditional manner, with the cavalry on the wings and the infantry in the center.

The combined Roman and Iberian horse was placed on the right wing, with the allied Italian horse on the left wing.

The infantry line had the Italian troops on the wings next to the cavalry, and the Roman legions were posted in the center.

The Roman camp was guarded by the Iberian infantry and 2,000 Roman/Italian troops.

Hasdrubal placed the Libyan and Iberian horse on his left wing facing the Roman/Iberian horse, and the Numidian light horse on his right wing facing the allied Italian horsemen.

Next to the two cavalry contingents, in both cases facing the Italian foot, Hasdrubal placed a phalanx of Libyan infantry, backed up by mercenaries.

In the center of the Carthaginian infantry line, between the Libyan infantry phalanxes and facing the Roman legions, was a thinned out line of Iberian infantry.

The elephants were divided into two groups of 10 and placed in front of the cavalry on both of the wings.

The Balearic slingers formed a skirmish line in front of the infantry.

Two to three thousand troops were left to guard the Carthaginian camp.

TO BE CONTINUED …

https://en.wikipedia.org/wiki/Battle_of_Dertosa
thelivyjr
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Re: MUSINGS ON THE SCHEME OF THINGS

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Battle of Dertosa, continued ...

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Battle

Phase 1


After a brief skirmish between the light troops, the Roman legions in the center advanced against the line of Iberian infantry opposite them and, having the advantage of both number (10,000 against 8,000) and formation depth, drove them back almost instantly.

However, this was an integral part of the double envelopment tactic that Hasdrubal was trying to implement.


The Carthaginian elephants placed on both wings charged the Roman and Italian cavalry opposite them.

The charge proved ineffective; the Italian and Roman horsemen were not disrupted, and the elephants played no further role in the battle.

In support of the Romans attacking the Iberians, the Italian infantry formations closed with the Libyan formations opposite them.

Phase 2

The Libyans and mercenaries placed on the flanks of the hard pressed Iberians charged the Italian infantry opposite them and, despite their advantage in numbers (16,000 against 18,000), the Italians were pushed back.

Unlike Cannae, the Libyans did not outflank the Romans.

The Carthaginian cavalry placed on the wings, on the flank of the Libyans, closed with the Roman and Italian horsemen opposite them.

Despite having the advantage in numbers on both wings (1,600 Libyan/Punic and Iberians faced 1,000 Roman/Iberians on the left of the Carthaginian line and 2,300 Numidians faced 1,800 Italian horsemen on the right of the Carthaginian line), the Carthaginian horsemen were unable to drive the Romans from the battlefield.

An indecisive skirmish developed on both wings of the armies between the opposing cavalry, with neither side gaining any advantage.

At this point, the Iberian infantry forming the Carthaginian center collapsed, and began to flee the battle.

Phase 3

At Cannae, the center of the Carthaginian infantry line had also collapsed under Roman infantry assault.

But Hannibal had managed to win the battle as his infantry had outflanked the Romans on both sides, and his cavalry, after driving their Roman opponents from the field, had attacked the Roman infantry from the rear (or like the battle of Trebia where Mago's ambushing troops were also able to attack the Roman infantry in the rear).

Hasdrubal had no ambush in place at Dertosa, but the Libyans had been driving the Italian infantry back when the Iberians at the center had collapsed.

The Carthaginian cavalry, seeing their infantry center break and run, broke off their skirmishing with their Roman counterparts and also fled the battlefield.

The Roman infantry, after scattering the Iberians, returned to help the Italian infantry.

The Libyan infantry managed to put up a hard resistance, inflicting and suffering heavy casualties before being routed.

TO BE CONTINUED …

https://en.wikipedia.org/wiki/Battle_of_Dertosa
thelivyjr
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Re: MUSINGS ON THE SCHEME OF THINGS

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Battle of Dertosa, continued ...

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Aftermath

Hasdrubal survived the battle with most of his elephants and cavalry, and a few infantry (mostly Iberians).

The Roman pursuit was not vigorous enough to repeat their success after the Battle of Cissa.

The Romans managed to storm the Carthaginian camp, after Hasdrubal had hastily evacuated his soldiers.

The provisions and booty fell into the hands of the victorious Romans.

The shattered Carthaginian army retired to Cartagena, leaving the Romans firmly established south of the Ebro.

To keep the Romans in check and keep the Carthaginian possessions in Iberia under control, Hasdrubal would be reinforced by armies under Mago Barca and Hasdrubal Gisco.

The Carthaginians would not mount any effective campaigns north of the Ebro again, and would be fated to battle the Romans until 205 BC for the control of Iberia with varying success.

The Scipio brothers did not mount a vigorous pursuit or an immediate campaign against the Carthaginians immediately after their victory.

They chose to follow their strategy of mounting raids, instigating Iberian tribes to rebel, and building up their power base.

The Scipios would receive no reinforcements from Italy for the remainder of their command in Iberia.

They would fight the Barca brothers and Gisco with varying results until 212 BC, when they launched a major campaign leading to the Battle of the Upper Baetis.

TO BE CONTINUED …

https://en.wikipedia.org/wiki/Battle_of_Dertosa
thelivyjr
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Re: MUSINGS ON THE SCHEME OF THINGS

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Battle of Dertosa, concluded ...

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Analysis

Hasdrubal had tried to imitate the tactics used by Hannibal at Cannae.

While Hannibal had brought about a spectacular victory, Hasdrubal had suffered a shattering defeat.

Some of the factors for this contrasting result are:

Hannibal had a better army and staff officers, as well as better control over his troops.

Hasdrubal's Iberians were lukewarm about leaving Iberia, which may have affected their morale.

The skill of the Carthaginian staff officers at Cannae was demonstrated by the maneuvers of Hasdrubal (not Hasdrubal Barca), who commanded the heavy cavalry.

His unit charged and broke the Roman horse, regrouped, crossed the battlefield to attack the Italian horse from the rear, again regrouped, then attacked the Roman infantry from the rear.

These were extremely complex moves orchestrated with flawless efficiency, a tribute to the skill of the troops and their commander.

Hasdrubal Barca did not have such assets at Dertosa.

Hannibal had a decisive advantage in cavalry at Cannae (10,000 against 6,000) and took advantage of this to the fullest.

Hasdrubal had a slight advantage (4,000 against 2,800), but failed to take any advantage or devise any formation to gain the upper hand.

Hannibal had no elephants at Cannae.

While Hasdrubal had 20, he gained no advantage from his use of them.

Strategic importance

Although the Battle of Dertosa is not given the same importance as the Battle of the Metaurus, it had a critical influence on the strategic course of the war.

Had Hasdrubal won the battle, there would have been at least four Carthaginian armies operating in Italy by 214 BC - those of Hasdrubal, Hannibal, Mago and Hanno the Elder.

The cornerstone of the strategy that Hamilcar Barca had planned depended on the undisputed Barcid control of Iberia and the ability to draw manpower and wealth from it.

The defeat caused Carthage to send Mago Barca to Iberia, along with Hasdrubal Gisco, a political rival of the Barcids.

This ended the Barcid domination, with far reaching consequences.

In addition, Hannibal never managed to receive further reinforcements from Iberia.

The Romans gained the initiative in Iberia, which caused a drain of resources better employed elsewhere.

Consequently, Mago was sent to Iberia with the reinforcements meant for Hannibal.

Although Hannibal would receive 4,000 Numidian cavalry and 40 elephants in 215 BC, these were little compared to the 17,000 soldiers that would be lost in Sardinia and the 28,000 soldiers that would later be tied up in Sicily.

https://en.wikipedia.org/wiki/Battle_of_Dertosa
thelivyjr
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Re: MUSINGS ON THE SCHEME OF THINGS

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Continued from top of page:

Second Punic War, continued ...

From Wikipedia, the free encyclopedia

War spreads to Sicily and Greece (214–213 BC)

The essence of Hannibal's campaign in Italy was to fight the Romans by using local resources and raising recruits from among the local population.

His subordinate Hanno was able to raise troops in Samnium, but the Romans intercepted these new levies in the Battle of Beneventum (214 BC) and eliminated them before they came under the leadership of Hannibal.

Hannibal could win allies, but defending them against the Romans was a new and difficult problem, as the Romans could still field multiple armies greatly outnumbering his own forces.

Thus Fabius was able to take the Carthaginian ally Arpi in 213 BC.

TO BE CONTINUED …

https://en.wikipedia.org/wiki/Second_Punic_War
thelivyjr
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Re: MUSINGS ON THE SCHEME OF THINGS

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Battle of Beneventum (214 BC)

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The Battle of Beneventum was fought in 214 BC near modern Benevento during the Second Punic War.

Roman legions under Tiberius Sempronius Gracchus defeated Hanno's Carthaginian forces, denying Hannibal reinforcements.

Livy gives a brief description of the battle, which was part of the Roman campaign to subdue the southern Italian city-states that had joined Hannibal after the Battle of Cannae.

Background

Hannibal, while preparing to assault the city of Nola in Campania, was waiting for his lieutenant Hanno to bring his 1,200 Numidian horsemen along with 17,000 Bruttians and Lucanians up the Via Appia from Bruttium.

Hanno had been ordered down there on a previous occasion to stir up the southern cities of Magna Graecia against Rome and to recruit fresh soldiers, which he had done.

Hannibal ordered his lieutenant to come to him to reinforce him, and he specifically advised him to march to Campania by way of Beneventum.

There were however, alternative routes that Hanno could have taken.

The consul Fabius had ordered Gracchus, a praetor, to march from Lucercia, where he had been wintering, on to Beneventum.

Fabius' son, the Q. Fabius Maximus who became consul the following year, was in command of a separate force, and was ordered to take possession of Lucercia.

Fabius ordered Gracchus to Beneventum with the idea of cooping up Hannibal in Campania, he had failed to do this previously in 215 BC, and perhaps with the scheme in mind of preventing reinforcements from reaching him.

There is no evidence that Fabius had any idea that reinforcements were on their way.

TO BE CONTINUED …

https://en.wikipedia.org/wiki/Battle_of ... m_(214_BC)
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