Rent The Guns of August (1964)

How the bickering Kingdoms of Europe triggered a war that would rage for 4 years and result in over 37 million casualties. Using rare archive footage, this extraordinary documentary tells the story of the origins of the world's first global war. Based on Barbara Tuchman's Pulitzer Prize-winning bestseller, the film shows the rivalry between the various Royal Houses in Europe leading up to the assassination of Archduke Ferdinand - which triggered the catastrophe to come. And, it presents the failed attempts to avoid the conflict that followed, catapulting the world into what became known as 'the war to end all wars', ultimately leading to over 37 million casualties around the world.