World War I: How One Assassination Changed the World Forever

In 1914, the world stood on the edge of peace and disaster. One assassination in Sarajevo triggered a chain reaction that pulled empires, nations, and millions of people into World War I. This video explores how the killing of Archduke Franz Ferdinand led to the deadliest global conflict the world had ever seen — a war that reshaped borders, destroyed empires, and changed history forever. From rising nationalism in the Balkans to collapsing alliances across Europe, discover why this single moment ignited a war that transformed the modern world. Was World War I truly caused by one bullet — or was the world already waiting to explode? 👍 Like the video and subscribe to Vaulted Media for more powerful history stories.