Dr Adrian Goldsworthy takes us close to the action in the 31 BC battle of Actium, ancient Rome's greatest naval showdown – from the perils facing the oarsmen to what happened if fighters found themselves in the water. Join us for the first series of History’s Greatest Battles, where we’re heading back to the Roman empire. Emily Briffett is joined by historian Dr Adrian Goldsworthy to look back at five of the most fascinating clashes of this ancient civilisation, taking in the action blow by blow