Siege In May or April of 539 AD, Belisarius reached Auximus, and judging the garrison strength and the fortifications, he decided against a direct assault but instead sought to starve out the defenders. The Byzantines began encircling Auximus by building camps around it. The Goths noticed that the camps were too far from each other for the Byzantines to send reinforcements to a camp under attack, making them vulnerable to
hit-and-run tactics. The Goths sallied out from the east side of the city, where Belisarius was still engaged in making camp, in the late afternoon and attacked one of the camps. After heavy fighting with casualties on both sides, the Goths were forced back into the city. The Goths were surprised by the speed of the Byzantine advance to Auximus and were short of food. Every day, the Goths would leave the safety of the city to get grass for the horses and herbs for the men. The Byzantine troops attempted to prevent this from happening. The Goths tried to use countermeasures by employing
ambushes. Auximus was on a hill cut by
ravines and forests. They sent out the foraging party to places close to the walls to gather forage, and once the Byzantine troops attacked the foraging party, they attacked the Byzantines from the rear. Once the Byzantines retreated, the Goths continued foraging without any disturbances. The ambushes succeeded because, when a Byzantine detachment attacked the foraging party (lured into the ambush), those left behind could see the Goths encircling the Byzantines, but they were unable to warn their comrades due to the distance between them and the loud noise raised by the Goths. According to
Procopius, he told Belisarius that the
Romans used a trumpet (
salpinx) with two strains to direct troops to advance forward or retreat. While this skill was forgotten, he suggested to Belisarius that cavalry trumpets be used to signal an attack, while infantry trumpets, which produced a different sound, be used to signal a retreat. Belisarius accepted this proposal, and it allowed the Byzantines to keep attacking the foraging parties without being ambushed.
Empire under attack , the Frankish king who invaded Italy During the siege of Auximus, the Goths under Uraias advanced to
Ticinum (now
Pavia) and faced the Byzantine forces of Martinus and John across the river Po. The Franks led by
Theudebert I invaded Italy with a 100,000-strong army from the
Alps. They attacked the Goths and the Byzantines. The Goths suffered far more from these attacks than the Byzantines. Eventually, the Franks retreated after a communication by Belisarius, a supply shortage, and disease (diarrhea and dysentery) killing a third of the army. The brief Frankish invasion did not affect the siege of Auximus. On the
Balkan peninsula, the
Huns invaded the Byzantine Empire, reaching Constantinople before retreating. A second invasion by the Huns occurred shortly afterwards, bypassing Byzantine defenses, leading to the plundering of
Greece, except for the
Peloponnese. In early 539, Vitigis was considering asking for help. Initially, he asked
Wacho, the king of
Langobardians. Wacho refused him because he was allied with Justinian and did not want to spoil his reputation by breaking the alliance. Then the Goths considered asking
Khosrow I, the
Persian leader (
shah), with the reasoning that the Byzantines would not be able to continue campaigning in Italy while having an open front in the east. They paid two
Ligurian priests to deliver a letter to Khosrow by passing through the Byzantine territories without detection. Khosrow received the letter with interest, since he viewed Belisarius's conquests in Italy with concern. Before the arrival of the priests, Khosrow sought a pretext for war and encouraged his ally
Al-Mundhir of the
Lakhmids to provide one. Al-Mundhir accused
Al-Harith ibn Jabalah, leader of the Byzantine-allied
Ghassanids, of violating his territory and invaded the disputed region of
Strata, south of
Palmyra, claiming he was not bound by the treaty since he was not named in the treaty. However, Procopius noted that allied Arab groups were traditionally included in Roman–Persian treaties. Justinian sent
Strategius, who advised him to abandon claims to Strata to avoid war, as an envoy to Al-Mundhir. Khosrow alleged that the envoy aimed to undermine his alliance with Al-Mundhir and accused Justinian of inciting the Huns against Persia. Despite Justinian's denials, Khosrow, having received the two priests from Italy, canceled the treaty and prepared for the
Lazic war (541–562). Justinian learned about the communication between the Goths and Persians and recognized the perils of fighting on two fronts. The Byzantines tried to make peace with the Goths. For Justinian, the Persians posed a more dire threat than the Goths and peace in Italy would free Belisarius to take command on the eastern front.
Secret correspondence with Vitigis , 1493 As food shortages at Auximus became more acute, the defenders requested help from their king. They created a diversion by loudly shouting from different parts of the city walls under a moonless night. Belisarius ordered his troops to be on alert to stay in their camps for a possible Gothic
stratagem. This diversion allowed the Gothic envoy to break through the Byzantine camps and reach Vitigis. The Gothic king promised to assist in providing relief to the garrison. He failed to do so due to a lack of supplies for an expeditionary campaign and the dangers of placing an army between Belisarius and the Byzantine garrison at Ariminum. Belisarius, upon learning from deserters that Goths had communicated with their king, ordered more vigilance to prevent any further communication. The Gothic garrison, having not seen action by their king, bribed a Byzantine soldier named Bercentius (possibly a
Visigoth) to renew their plea. Bercentius carried the letter to Ravenna and delivered it to Vitigis. The Gothic king again promised to send a relief force. Belisarius sought to understand why the Goths at Auximus resisted that long without surrendering. He ordered his troops to capture and question a Goth. A Byzantine Slav soldier, a specialist in capturing prisoners, brought a prisoner who disclosed the identity of the messenger. Belisarius handed the traitor over to his comrades for punishment, who burned him alive.
Battle over the water supply Belisarius increased the pressure by attempting to divert the only (underground) spring supplying the city with fresh water, which was located outside the walls. A
testudo formation was used to bring five
Isaurians skilled in
masonry to the spring. The Goths noticed the Byzantines' goal, and they rained down projectiles onto them. In a desperate move, the Goths launched a
sortie, but the Byzantines counter-attacked, leading to a melee involving pushing and shoving. The Goths had the upper hand due to their position, but the Byzantines held their ground with Belisarius encouraging them from behind. During the battle, Belisarius was saved when a bodyguard blocked an incoming arrow with his right hand. The Byzantines suffered considerable losses until seven men broke through the Gothic lines. The Byzantines advanced through the gap and routed the Goths. The Byzantines retreated to their camps after the long engagement. The Isaurians also retreated because they failed to divert the water supply. Belisarius ordered dead animals, herbs, and
quicklime to be placed in the water stream to poison the water, forcing the inhabitants of Auximus to use the well inside the fort.
Negotiations and surrender The famine in Fiesole forced its inhabitants to negotiate with Cyprian and Justinus. The Byzantine army moved to reinforce Belisarius at Auximus. The prisoners from Fiesole were paraded outside the city, resulting in the Goths initiating negotiations with Belisarius. The demand by the Goths was to leave for Ravenna with all their belongings. The latter was contrary to the expectations of the Byzantine troops, who demanded plunder. Belisarius rejected this as he wanted to capture Ravenna, and he did not want to face these troops again, who had fought valiantly. He also needed to take Auximus to secure his rear once he moved against Ravenna. This attack should take place before the Franks returned. A compromise was reached whereby half of the garrison's property would be rewarded to the Byzantine troops, with the Goths keeping the rest and joining the Byzantine army. The Goths agreed, thus ending the siege in October or November 539. == Aftermath ==