Final answer:
The Great War, also known as World War I, began in the Balkans with the assassination of Archduke Franz Ferdinand of Austria-Hungary in Sarajevo, Bosnia.
Step-by-step explanation:
The Great War, also known as World War I, began in the Balkans. The conflict started with the assassination of Archduke Franz Ferdinand of Austria-Hungary in Sarajevo, Bosnia in 1914. This event led to a chain reaction of declarations of war between various European powers.