The Ambiani were a Belgic people of Celtic language, who were said to be able to muster 10,000 armed men, in 57 BC

57 BC

Year 57 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Lentulus and Metellus...

, the year of Julius Caesar

Julius Caesar

Gaius Julius Caesar was a Roman general and statesman and a distinguished writer of Latin prose. He played a critical role in the gradual transformation of the Roman Republic into the Roman Empire....

's Belgic campaign. They submitted to Caesar. Their country lay in the valley of the Samara (modern Somme

Somme

Somme is a department of France, located in the north of the country and named after the Somme river. It is part of the Picardy region of France....

); and their chief town Samarobriva, afterwards called Ambiani and Civitas Ambianensium, is supposed to be represented by Amiens

Amiens

Amiens is a city and commune in northern France, north of Paris and south-west of Lille. It is the capital of the Somme department in Picardy...

. They were among the people who took part in the great insurrection against the Romans

Ancient Rome

Ancient Rome was a thriving civilization that grew on the Italian Peninsula as early as the 8th century BC. Located along the Mediterranean Sea and centered on the city of Rome, it expanded to one of the largest empires in the ancient world....

, which is described in the seventh book of Caesar's Gallic War.