The assassination of Archduke Franz Ferdinand in conjunction with the complex system of alliances in Europe before the war began caused a recipe for disaster that caused a sectional conflict to explode into a world war.
it was the 2nd world war
The Assassination of Archduke Franz Ferdinand of Austria triggered the start of the Great War (World War I)
The incident that triggered the beginning of World War 1 was the assassination of the heir to the Austro-Hungarian throne.
the great depression triggered WWI
Sarajevo, the capital of the Austro-Hungarian province of Bosnia and Herzegovina
Archduke Ferdinand
invasion of poland
Invasion of poland
The assassination of Archduke Franz Ferdinand caused World War I. This took place in 1914.
POLAND
His assassination (by Gavrilo Princip) is what triggered World War I.
Hitler's invasion of Poland in 1939.