A Serbian assissinated an Austrian Duke and his wife in 1914.
The Serbian Gavrilo Princip killed the Austrian Archduke Francis Ferdinand (Royal Prince of Hungary and of Bohemia, and Arch Duke of Austria-Este) and his wife Sophia On Sunday, 28 June 1914, at approximately 1:30 pm.
Franz Ferdinand and his wife were killed in Sarajevo, the capital of the Austro-Hungarian province of Bosnia and Herzegovina, by a Serbian man called Gavrilo Princip a member of the Black Hand, a group who wanted to kill Francis Ferdinand who survived other assassination attempts.
Austria attacked Serbia and then called Germany to help them.
Germany invaded Serbia.
Russia and Serbia were allies, so Russia protected Serbia.
Germany invaded Belgium in order to gain access to France, funds, weapons, soldiers, oil and metals to construct vehicles
England and Belgium were allies, so England went to France to attack the German in Belgium. Britain called the countries in the British Empire to help them.
Other causes
WW1 1914 WW2 1939
1914 WWII 1939
What year did it begin is a good question
world war one started in 1914 and the allies won
Start: August 1, 1914 End: November 11, 1918
1914
Serbia
WW1 1914 WW2 1939
World War I actually started in Europe on July, 1914.
Germany
After
quagmire
1914 WWII 1939
when a attack is about to begin!
It didn't begin in 2039.
world war 1 started July 28th 1914 and world war 2 started 3rd September 1939
They wore helmets long before world war 1.