up to World War One but what started World War One was a small accident compared to everything else that has happened. On June 28, 1914, Archduke Franz Ferdinand was visiting Sarajevo, capitol of the Austrian Province Bosnia. On this day Franz Ferdinand was killed by a Slavic extremist named Gavrilo Princip. Austria-Hungary used this incident as an excuse to start a war that was already building up.Many things lead to war. It’s not just one incident. It took many accidents forWorld War One to begin, the death of Archduke Franz Ferdinand was just an excuse to start a war. ...