In 1914 Europe blundered into a civil war that would become the most significant event of the last thousand years: World War I. This book explores the tensions between European states that had been building for decades and the strategic positions of the major players. It looks at how the War began, major themes during the War, how it ended, and its major consequences. The Best One-Hour History series is for those who want a quick but coherent overview of major historical events. It will also serve those who need a competent high-level introduction before going further. Each volume provides a clear and concise account of the episode under discussion. In about an hour, the reader will obtain a well-grounded understanding of why each subject holds iconic status in Western Civilization.