Denarius

The Battle of Lake Trasimene. April 24, 217 BC.

The Battle of Lake Trasimene (24 April 217 BC, on the Julian calendar) was a major battle in the Second Punic War. The Carthaginians under Hannibal defeated the Romans under the consul Gaius Flaminius. Hannibal’s victory over the Roman army at Lake Trasimene remains, in terms of the number of men involved, the largest ambush in military history. In the prelude to the battle, Hannibal also achieved the earliest known example of a strategic turning movement. The Carthaginian cavalry and infantry swept down from their concealed positions in the surrounding hills, blocked the road and engaged the unsuspecting Romans from three sides. Surprised and outmanoeuvred, the Romans did not have time to draw up in battle array, and were forced to fight a desperate hand-to-hand battle in open order. The ...

The Pisonian Conspiracy. April 19, 65 AD.

Gaius Calpurnius Piso, a leading Roman statesman, benefactor of literature, and orator, intended to have Nero assassinated, and replace him as Emperor through acclamation by the Praetorian Guard. He enlisted the aid of several prominent senators, equestrians, and soldiers with a loosely conceived plan. Nero had been Emperor since 54 AD, and the ruling class had grown weary of his tyrannical reign. Although the conspiracy ended a failure, it sowed the seeds for the downfall of Nero, his suicide and the ensuing chaos of the Year of Four Emperors. The fact that senators, soldiers, and equestrians were willing to work together outlines the widespread hatred of Nero. It seems as if only Piso and perhaps Plautius Lateranus were driven to participate for the love of Rome. Others plotters, such as...

The First Battle of Bedriacum. 14 April 69 AD.

Marcus Salvius Otho, with the support and aid of the Praetorian Guard, had his predecessor Galba murdered in January and claimed the throne. Legate Aulus Vitellius, governor of the province of Germania Inferior, had also claimed the throne earlier in the month and marched on Rome with his troops. Vitellius’ forces were divided into two armies, one commanded by Aulus Caecina Alienus and the other by Fabius Valens. The Vitellian forces included legions XXI Rapax, V Alaudae and powerful vexillationes from all the other legions stationed on the Rhine, together with a strong force of Batavian auxiliaries, a force of around 70,000 men. The forces commanded by Caecina crossed the Alps by the Great St. Bernard Pass to reach northern Italy. They attacked Placentia but were repulsed by the Oth...

The Battle of Aegates. March 11, 241 BC.

The Battle of the Aegates was fought off the Aegadian Islands, off the western coast of the island of Sicily on 10 March 241 BC. It was the final naval battle fought between the fleets of Carthage and the Roman Republic during the First Punic War. The result was a decisive Roman victory which forced an end to the protracted conflict, to the advantage of Rome. From 242 BC Rome eventually decided to build another fleet and regain naval supremacy, as the ships it had possessed at the beginning of the First Punic War had been largely destroyed in the Battle of Drepana and in the storm that followed. The new fleet was completed in 242 BC and entrusted to the consul Gaius Lutatius Catulus, assisted by the praetor Quintus Valerius Falto. The reversals of fortune and difficulties suffered in past ...

The Siege of Athens. March 1, 86 BC.

The Siege of Athens and Piraeus was a siege of the First Mithridatic War that took place from Autumn of 87 BC to the Spring and Summer of 86 BC. The battle was fought between the forces of the Roman Republic, commanded by Lucius Cornelius Sulla Felix on the one hand, and the forces of the Kingdom of Pontus and the Athenian City-State on the other. The Greek Pontian forces were commanded by Aristion and Archelaus. In the spring of 87 BC Sulla landed at Illyria. Asia was occupied by the forces of Mithridates VI of Pontus, under the command of Archelaus. Sulla’s first target was Athens, ruled by the tyrant Aristion. Sulla moved southeast, picking up supplies and reinforcements as he went. Sulla’s chief of staff was Lucullus, who went ahead of him to scout the way and negotiate with Bruttius S...

The Battle of Lugdunum. February 19, 197.

After the murder of Emperor Pertinax (193), a struggle began for the succession to the throne, the so-called Year of the Five Emperors. The new self-proclaimed Emperor in Rome, Didius Julianus, had to face the commander of the Pannonian legions, Septimius Severus. Before moving on Rome, Severus made an alliance with the powerful commander of the legions in Britannia, Clodius Albinus, recognizing him as Caesar. After eliminating Didius that same year and then defeating the governor of Syria in 194, Severus launched a successful campaign in the East in 195. Severus then tried to legitimize his power, connecting himself with Marcus Aurelius, and raising his own son to the rank of Caesar. This last act broke Severus’ alliance with Albinus, who was declared a public enemy by the Senate. I...

The death of Septimius Severus. February 4, 211.

By 210, Septimius Severus‘ campaigning had made significant gains in Britain, despite Caledonian guerrilla tactics and heavy Roman casualties. The Caledonians sued for peace, which Severus granted on condition they gave up control of the Central Lowlands. The Caledonians, short on supplies and feeling their position was becoming desperate, revolted later that year along with the Maeatae. Severus prepared for another protracted campaign within Caledonia. He was now intent on exterminating the Caledonians, telling his soldiers: “Let no-one escape sheer destruction, no-one our hands, not even the babe in the womb of the mother, if it be male; let it nevertheless not escape sheer destruction”. Severus’ campaign was cut short when he fell fatally ill. He withdrew to Eboracum a...

Crossing the Rubicon. January 10, 49 BC.

During the Roman Republic, the river Rubicon marked the boundary between the Roman province of Cisalpine Gaul to the north-west and Italy proper (controlled directly by Rome and its allies) to the south. Exercising imperium when forbidden by the law was a capital offence. Furthermore, obeying the commands of a general who did not legally possess imperium was a capital offence. If a general entered Italy whilst exercising command of an army, both the general and his soldiers became outlaws and were automatically condemned to death. Generals were thus obliged to disband their armies before entering Italy. In 49 BC, perhaps on January 10, Julius Caesar led a single legion, south over the Rubicon from Cisalpine Gaul to Italy to make his way to Rome. In doing so, he deliberately broke the law o...

The Julian Calendar. January 1, 45 BC.

  In the mid-1st century BCE Julius Caesar invited astronomer Sosigenes of Alexandria to advise him about the reform of the calendar, and Sosigenes decided that the only practical step was to abandon the lunar calendar altogether. Months must be arranged on a seasonal basis, and a tropical (solar) year used, as in the Egyptian calendar, but with its length taken as 365 1/4 days. To remove the immense discrepancy between calendar date and equinox, it was decided that the year known in modern times as 46 BCE should have two intercalations. This insertion amounted to an addition of 67 days, making a year of no less than 445 days and causing the beginning of March 45 BCE in the Roman republican calendar to fall on what is still called January 1 of the Julian calendar. Previous errors havi...

End of the Siege and Battle of Alesia. 5 October, 52 BC.

The Siege and Battle of Alesia meant the end of the Gallic Wars, and took place from September to October 52 BC. It befell around the Gallic fortified settlement of Alesia, “capital” of the Mandubii tribe. It confronted the Roman army of Julius Caesar against an alliance of Gallic tribes, united under the leadership of Vercingetorix of the Averni. In history, it is considered one of Caesar´s most important military victories, as well as a classic example of siege warfare. This battle marked the end of the Gallic independence of France and Belgium. The day after the battle, Caesar ordered the Gauls to surrender their weapons and deliver their chieftains. The chieftains were brought before him and Vercingetorix was surrendered. For Caesar, Alesia was an enormous personal success, both milita...

Roman Denominations

The Roman Empire came to be from the ashes of the Roman Republic and Imperatorial periods, and once established by Augustus in 27BC, the foundation for the expanded monetary system began and would continue until its overhaul by Diocletian. The base unit of the empire was the copper as, and the system was designed mainly in fractions or multiples of four. The largest regular base-metal coin was the sestertius, valued at four asses, and was made of orichalcum or bronze. The denarius was the silver workhorse and valued at 16 asses. Higher up the chart we find the gold aureus, valued at 25 denarii. In-between and below these denominations we find the quinarius (12-1/2 denarii for gold version and eight asses for the silver module), double-sestertius (eight asses), dupondius (two asses), semis ...

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