Statistically, we are less violent as a species than at any time in our history yet we seem to be in a constant state of war. From primitive massacres to modern day superpowers, this is the story of how we have waged war and won peace.
From the secret diamond mines of ancient India, to the royal courts of King Louis XIV, Marie Antoinette and King George IV, this is the epic story of the Hope Diamond, the world's most mysterious and coveted gem. Allegedly a curse to those who own it, the diamond has inspired centuries of superstition and passion - and now a major scientific exploration into its unique and bizarre nature.
In the final episode, Dan Snow travels to Lough Foyle to dive on a Flying Fortress that crashed on its first bombing raid - although the crew miraculously survived. He then heads to the shores of Lough Neagh where, at RAF Cluntoe, pilots and crew were trained for flying missions all over Europe.
Historian Dan Snow joins military archaeologists as they investigate the former battlegrounds of the Second World War, uncovering little-known stories through excavations and dives across Europe. In the final episode, Dan explores both sides of D-Day, the greatest amphibious landing in history, follows the Allied push into occupied France, and checks out an incredible submarine graveyard.