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Assassination of Arch-duke Ferdinand
This event spurred Austro-Hungary to war with Serbia -
Austro-Hungary declares war on Serbia
Triggered by the Assasination of Arch-Duke Ferdinand, WWI begins as alliances spur into action to defend their allies. -
battle of the Marne
First major German setback in WWI. Prevented the success of the Von Schlieffen plan. After months of succesfully pushing the Allied forces back, the central powers were routed and pushed back, leading to the "Race to the Sea". -
"Race to the sea"
Allied and Axis forces tried to envelop each other, eventually reaching the coast of Belgium. Armies remained entrenched for the duration of the war. -
Sinking of the Lusitania
The Lusitania was sunk by a German U-Boat. This causes the U.S to lose much of its isolationist ideologies, and spurred pro-war sentiment. This led to the U.S. joining the war. -
Germany resumes USW
Germany resumed unrestricted submarine warfare after the U.S. joined the war, as it had no reason to be deterred from doing so any more. -
Treaty of Brest-Litovsk
This treaty gave Germany some lands, and took Russia out of WWI. At the time, Russia was undergoing internal struggles so it could no longer remain in the war. -
"Spring offensive"
Last major German offensive. Germany attempted to take the Allies out of the war before the U.S. had a chance to deploy its armies. -
Meuse-Argonne offensive
Final Allied offensive against Germany. Germany was forced to surrender, leading to Armistice day. -
Armistice day
On the 11th Hour of the 11th day of the 11th month in 1918, WWI was ended. German Kaiser flees to the neutral territory of Holland.