I'm not sure. Probably something to do with religion or oil or something...Maybe even a cheese fight...I LIKE CHEESE
the great depression triggered WWI
invasion of poland
Hitler's invasion of Poland in 1939.
Germany's invasion of Poland.
The assassination of Archduke Franz Ferdinand of Austria on June 28, 1914, triggered World War I. He was killed by Gavrilo Princip, a member of the nationalist group known as the Black Hand, in Sarajevo. This event set off a chain reaction of alliances and tensions among European powers, ultimately leading to the outbreak of the war in July 1914.
The incident that triggered the beginning of World War 1 was the assassination of the heir to the Austro-Hungarian throne.
Archduke Ferdinand
German submarine warfare
The assassination of archduke Ferdinand
The assassination of Archduke Franz Ferdinand of Austria, which led to the outbreak of World War I ----
He was killed in Sarajevohttp://en.wikipedia.org/wiki/Archduke_Franz_Ferdinand_of_Austria
June 28, 1914.
Poland, on 1 September 1939
it was the 2nd world war
The war is generally accepted to have begun on 1 September 1939, with the invasion of Poland Slovakia
The assassination of Archduke Franz Ferdinand of Austria-Hungary by Serbian nationalists.
The shooting of the Archduke of Austro-Hungarian Franz Ferdinand.