Marcus Sergius was a Roman

Roman Republic

The Roman Republic was the period of the ancient Roman civilization where the government operated as a republic. It began with the overthrow of the Roman monarchy, traditionally dated around 508 BC, and its replacement by a government headed by two consuls, elected annually by the citizens and...

 general during the Second Punic War

Second Punic War

The Second Punic War, also referred to as The Hannibalic War and The War Against Hannibal, lasted from 218 to 201 BC and involved combatants in the western and eastern Mediterranean. This was the second major war between Carthage and the Roman Republic, with the participation of the Berbers on...

 (218 to 201 BC

Anno Domini

and Before Christ are designations used to label or number years used with the Julian and Gregorian calendars....

). He is famed in prosthetics circles as the first documented user of a prosthetic hand. The metal hand was constructed to allow him to hold his shield in battle.

A description of Marcus Sergius is found in the seventh book of Pliny's

Pliny the Elder

Gaius Plinius Secundus , better known as Pliny the Elder, was a Roman author, naturalist, and natural philosopher, as well as naval and army commander of the early Roman Empire, and personal friend of the emperor Vespasian...

 Natural History, published in AD 77:

Nobody - at least in my opinion - can rightly rank any man above Marcus Sergius, although his great-grandson Catiline

Catiline

Lucius Sergius Catilina , known in English as Catiline, was a Roman politician of the 1st century BC who is best known for the Catiline conspiracy, an attempt to overthrow the Roman Republic, and in particular the power of the aristocratic Senate.-Family background:Catiline was born in 108 BC to...

 shames his name. In his second campaign Sergius lost his right hand. In two campaigns he was wounded twenty-three times, with the result that he had no use in either hand or either foot: only his spirit remained intact. Although disabled, Sergius served in many subsequent campaigns. He was twice captured by Hannibal - no ordinary foe- from whom twice he escaped, although kept in chains and shackles every day for twenty months. He fought four times with only his left hand, while two horses he was riding were stabbed beneath him.

He had a right hand made of iron for him and, going into battle with this bound to his arm, raised the siege of Cremona

Cremona

Cremona is a city and comune in northern Italy, situated in Lombardy, on the left bank of the Po River in the middle of the Pianura Padana . It is the capital of the province of Cremona and the seat of the local City and Province governments...

, saved Placentia

Piacenza

Piacenza is a city and comune in the Emilia-Romagna region of northern Italy. It is the capital of the province of Piacenza...

 and captured twelve enemy camps in Gaul

Gaul

Gaul was a region of Western Europe during the Iron Age and Roman era, encompassing present day France, Luxembourg and Belgium, most of Switzerland, the western part of Northern Italy, as well as the parts of the Netherlands and Germany on the left bank of the Rhine. The Gauls were the speakers of...

 - all of which exploits were confirmed by the speech he made as praetor

Praetor

Praetor was a title granted by the government of Ancient Rome to men acting in one of two official capacities: the commander of an army, usually in the field, or the named commander before mustering the army; and an elected magistratus assigned varied duties...

when his colleagues tried to debar him as infirm from the sacrifices. What piles of wreaths he would have amassed in the face of a different enemy!