60 CE
Having burned several cities to the ground, Boudica and her army of enraged Britons are a seemingly unstoppable force. However, Governor Suetonius has returned from the West, and has marshalled his forces. It was a conflict is so famous that even Tacitus wrote of it... and only one general would come out on top.
(History of Britain, History of England, History of Wales, Celtic History, Roman History)