How the Assassination of Archduke Franz Ferdinand Started WW1
How did the assassination of Archduke Franz Ferdinand cause World War 1?
The assassination of Archduke Franz Ferdinand of Austria-Hungary on June 28, 1914, was the immediate trigger that started World War 1. A Bosnian Serb nationalist named Gavrilo Princip shot the Archduke and his wife in Sarajevo, setting off a chain of events that pulled all of Europe into war.
Steps
Archduke Franz Ferdinand was the heir to the throne of Austria-Hungary. He visited Sarajevo, the capital of Bosnia, which Austria-Hungary had recently annexed.
A group of young Bosnian Serb nationalists called the Black Hand planned to assassinate him. They wanted Bosnia to be part of Serbia, not Austria-Hungary.
The first attempt failed when a bomb thrown at the Archduke's car bounced off and exploded under a different vehicle. Later that day, the driver took a wrong turn.
By chance, the car stopped right in front of Gavrilo Princip, who shot both the Archduke and his wife Sophie. Both died within the hour.
Austria-Hungary blamed Serbia and issued an ultimatum with harsh demands. When Serbia did not fully accept, Austria-Hungary declared war on July 28, 1914.
The alliance system then pulled in other nations: Russia mobilized to defend Serbia, Germany backed Austria-Hungary, France supported Russia, and Britain entered when Germany invaded Belgium.
Worked example
Timeline: June 28 — Archduke assassinated in Sarajevo. July 23 — Austria-Hungary sends ultimatum to Serbia. July 28 — Austria-Hungary declares war on Serbia. August 1 — Germany declares war on Russia. August 3 — Germany declares war on France. August 4 — Britain declares war on Germany. In just over one month, a single assassination spiraled into a continent-wide war.
Remember
The assassination of Archduke Franz Ferdinand did not cause WW1 by itself, but it was the spark that ignited decades of built-up tension from militarism, alliances, imperialism, and nationalism.