When Germany invaded Poland in 1939, many agree that this was the beginning of WWII, however Japan had been at war in China for over a year in 1939.
Southern states seceded from the Union
The Nazi Germans began by attacking Poland in September 1939 and Japan attacked the US in December of 1941. These sparked the European and Pacific Theaters of War in World War 2.
Italy
isolationism
The assassination of Archduke Franz Ferdinand of Austria-Hungary in 1914 sparked the beginning of World War I.
The assassination of Archduke Franz Ferdinand of Austria-Hungary in 1914 sparked the beginning of World War 1.
Historians still argue about it. It comes down to Serbia or Austria-Hungary.
Franz Ferdinand
The assassination of Archduke Ferdinand.
Archduke Ferdinand Ferdinand of Austria
When Germany invaded Poland in 1939, many agree that this was the beginning of WWII, however Japan had been at war in China for over a year in 1939.
archduke franz Ferdinand of austro-Hungary
which event sparked world war 1?
sparked the beginning of the Civil War
Hitler and Stalin invaded Poland and sparked World War 2.
Southern states seceded from the Union