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Assassination of Archduke Franz Ferdinand
Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, was assassinated by a Serbian Nationalist over a regional dispute, triggering WWI. -
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World War I
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Austria-Hungary Declares War
The first declaration of war came from Austria-Hungary on Serbia as a follow-up to an ultimatum stemming from the assassination of Archducke Ferdinand. -
Schlieffen Plan
The Schlieffen Plan was an aggressive military plan developed by Germany to efficiently combat the Allied Powers and swiftly win WWI. -
First Battle of the Marne
A battle deep into France between the Germans and the British/French forces that ended the plans for Germany's quick capture of France. -
Gallipoli Campaign
The Gallipoli Campaign was an invasion of an Ottoman penninsula led by the British that ended as a miserable failure. -
Sinking of the Lusitania
This sinking of a British ocean liner by a German U-Boat swayed American public opinion against Germany. -
USA Enters WWI
The United States finally enters WWI under President Woodrow Wilson after a $250 million arms appropriation bill in response to the sinking of four more ships being traced to Germany. -
Russia and the October Revolution
Vladimir Lenin and the Bolsheviks successfully overthrow the Russian government and put an end to Russian involvement in WWI. -
Second Battle of the Marne
The Second Battle of the Marne decisively tilted the war in the Allied Power's favor and was the last major battle initiated by German offensive forces. -
Armistice between Allied Powers and Germany
This armistice between the Allied Powers and Germany marked the end of the WWI. -
Treaty of Versailles
The formal end of the state of war between Germany and the Allied Powers that required Germany to face massive military and economic consequences (e.g. $442 billion inflation adjusted reparation cost, <100,000 man army, etc.).