World War I Day by Day: Essential History

World War I was the most destructive conflict the world had ever seen. Few could have predicted how the assassination of the Austrian-Hungarian heir to the throne, Archduke Franz Ferdinand, and the subsequent declaration of war on Serbia in July 1914 would escalate into a global conflict that would claim the lives of more than nine million people in little more than four years. With the 20th century still just a teenager, Germany, Great Britain, Russia, and France - obliged by historic trea...