Each turning point in history has behind it a story and a set of principal characters whose dilemmas and conflicts form its dramatic core, and whose unique personalities influenced the outcome of events. New facts, often from indigenous sources, have emerged to add to our understanding of these crucial events and these, together with the latest historical research and documented first hand accounts, bring each turning point vividly to life. Exclusive dramatizations carried out at the actual sites of the events, History’s Turning Points provides a fascinating and intriguing new perspective on the significant moments that have changed the world. The Siege of Constantinople – 1453 AD In 1204 crusaders sacked the city, then renamed Constantinople. For the next thousand years, the Byzantine Kings hid safely behind the massive walls of Constantinople. Then in 1453, with the Turkish Ottoman Empire encircling the city, Sultan Mehmet brought the newest technology of the 15th century, the cannon, and finally brought down the walls of the world’s most impregnable fortress.