1,700 years ago, the emperor Constantine marched on Rome to free Italy from the tyrant Maxentius and reunify the Roman Empire. The army marched from Gaul in the spring of AD 312 and fought its way across the Empire. The defining moment of the campaign was the battle of the Milvian Bridge.
This highly illustrated book examines how Maxentius's poor choice of battleground ultimately doomed his army to defeat. Forced back toward the river by Constantine, the prospect of death by drowning caused panic to tear through Maxentius's army, who broke and fled for the bridge of boats. Constantine...

A disputed succession to the Austrian throne led to general war between the leading powers of Europe in 1740, with France, Spain and Prussia on one side, and Britain, Hapsburg Austria and the Dutch Republic on the other. While fighting occurred across the globe, the bloodiest battles were fought on the European continent, with none more costly than the battle of Fontenoy in 1745.

Fearing an encirclement of France by a resurgent Hapsburg-controlled Austria, the French commander Marshall Saxe planned to overrun the Austrian Netherlands, thereby dealing a decisive blow against their...

The Roman centurion, holding the legionaries steady before the barbarian horde and then leading them forward to victory, was the heroic exemplar of the Roman world. This was thanks to the Marian reforms, which saw the centurion, although inferior in military rank and social class, superseding the tribune as the legion's most important officer. This period of reform in the Roman Army is often overlooked, but the invincible armies that Julius Caesar led into Gaul were the refined products of 50 years of military reforms.

Using specially commissioned Osprey artwork and detailed battle...