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Assassination of Archduke Ferdinand
A Serbian nationalist killed Archduke Ferdinand, so Austria-Hungary declared war on Serbia in response. -
Austria-Hungary declares war on Serbia
This was officially the beginning of WWI -
Battle of the Marne
French defeat Germans and thwart German attempts at a quick victory on the Western Front. This battle also first began using trench warfare -
The Race to the Sea
After the Battle of Marne, both sides were fighting to take over each other's northern flanks until they both reached the coast of Belgium. -
Sinking of RMS Lusitania
Germany sunk the Lusitania, which held over 100 American passengers. Anti-German semitent began building in America. -
Germany resumes Unrestricted Submarine Warfare (USW)
Germany continues sinking American ships, pushing Americans to join the war. -
Treaty of Brest-Litovsk
Germany forced Russia to surrender and withdraw from the war. -
Spring Offensive
This was the final major German offensive. -
Meusse Argon Offensive
An Alled offensive on Germany that forced the Germans to surrender. -
Armistice ends hostilities
The war is ended