![Traditionally thought to show the arrest of Gavrilo Princip (right), this photo is now believed by historians to depict an innocent bystander, Ferdinand Behr, on 28 June 1914.[31][32]](https://cdn.deepswipe.app/images/0.2.0/d3486d375abe8e4f61d151c37e53a6fff60884bf73286501544aa96534e08193.jpg)
The wrong turn
A driver took a wrong turn in Sarajevo. Gavrilo Princip looked up, fired twice, and Archduke Franz Ferdinand—the heir to Austria‑Hungary—and his wife fell.World War I: The Wrong Turn That Sparked a World War

From bullets to ultimatums
Austria‑Hungary blamed Serbia and issued an ultimatum. Mobilizations surged; Germany declared war on Russia and France; Britain entered after Germany invaded Belgium.World War I: The Wrong Turn That Sparked a World War