The single event that started a chain of other events that led to World War 1 was the assassination of Archduke Ferdinand. This event took place in June of 1914. Archduke Ferdinand was the heir to the Austro-Hungarian throne.
The assignation Archduke Franz Ferdinand of Austria was the spark of WWI. He, and his wife, were killed by Gavrilo Princip in Sarajevo (the capital of the Austro-Hungarian province of Bosnia and Herzegovina).
The person most responsible for triggering World War 1 was Gavrilo Princip, Austrian Archduke Franz Ferdinand's assassin. This led to war between Serbia and Austria with Germany and other nations joining in to help either side.
Franz Ferdinand
The allied side. The assassination of Archduke Franz Ferdinand sparked a war causing Austria and its allies to declare war on Serbia and Russia. Soon, the allies of Serbia and Russia declared war on Austria. Then, when Great Britain and France declared war, the US wanted to help their allies, causing them to join the allies.
The Archduke of Austria Franz Ferdinand, although his murder wasn't the primary cause.
Archduke Franz Ferdinand was Austrian. Not german.
World war 1 started after the Archduke Ferdinand was assassinated.
Archduke Franz Ferdinand of Austria was assassinated in Sarajevo in 1914 by terrorist.
The Serbian Gavrilo Princip, the assassin of Archduke Franz Ferdinand thought that the death of the Archduke would be the key that would unlock the chains binding his people to the Austro-Hungarian Empire.
Archduke Franz Ferdinand's birth name is Franz Ferdinand Karl Ludwig Joseph von Habsburg-Lothringen.
Archduke Franz Ferdinand of Austria was born on 1863-12-18.
Archduke Franz Ferdinand of Austria died on 1914-06-28.
Not president, Archduke
sino si archduke franz ferdinand
Franz Ferdinand, the archduke of Austria-Hungary.
Archduke Franz Ferdinand was Assassinated in Serbia.