The 1914 assassination of Archduke Franz Ferdinand, heir to the throne of the Austro-Hungary, was the event that sparked World War I in Europe. This war, also called The Great War, would grow to eventually involve the United States and become one of the largest and deadliest wars in history.

Image of the arrest of Garvilo Princip, the accused assassin. He is being surrounded by sword-wielding soldiers.

Source: Princip arrest, Wikipedia

This lesson will focus on major events of World War I and you will use what you learn to complete a timeline of these significant events.