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Assassination of Archduke Franz Ferdinand
Archduke Ferdinand the heir to the throne of Austria was killed in serbia -
Austria declares war on Serbia
Austria was getting revenge for serbia killing the Archduke of Austria -
First Battle of the Marne
The first battle at marne. -
Beginning of Trench Warfare
Trench warefare was started -
Sinking of the Lusitania
The lusitania was sank. -
Battle of Verdun
The battle of verdun -
Battle of the Somme
the battle of the somme -
Germany begins unrestricted submarine warfare
Germany starts a submarine warfare -
US declares war on Germany
War on Germany is declared by the US. This is when the US entered the war. -
Treaty of Brest-Litovsk
A treaty was written -
World War I ends
The war is over. -
Treaty of Versailles signed
The war is officially over and a treaty is signed