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Assassination of Franz Ferdinand
Assassination by Gavrilo Princip of the Arch
Duke of Austria-Hungry, a spark to WW1 -
WW1 Begins
Austria-Hungary declares war on Serbia, beginning World War I. -
Germany enters the war
Germany invades Luxembourg and Belgium. France invades Alsace. British forces arrive in France. Nations allied against Germany eventually included Great Britain, Russia, Italy, Australia, New Zealand, South Africa, Rhodesia, Romania, Greece, France, Belgium, United States, Canada, Serbia, India, Portugal, Montenegro, and Poland. -
Austria-Hungary invades Russia.
Austria-Hungary invades Russia on 8/10/1914 -
German Navel Blockade
Germany begins a naval blockade of Great Britain. -
Lusitania Sunk
German submarine sinks the passenger liner Lusitania during crossing from New York to Liverpool, England, killing 128 Americans. -
War in Italy
Italy declares war on Austria-Hungary -
Battle of Verdun Begins
Germany begins the attack on Verdun. -
Battle of the Somme Begins
Allied offensive begins the Battle of the Somme. -
Battle of Verdun Ends
The battle of Verdun ends with 550,000 French and 450,000 German casualties. -
US enters war
The United States declared war on Germany, primarily for Zimmerman's telegram. -
US forces arrive in Europe
American combat forces land in France. -
14 Points introduced
President Woodrow Wilson presents to Congress his outline of Fourteen Points required for peace. -
Battle of Cantigny
United States forces were victorious in the Battle of Cantigny, the first independent American operation. -
Final offensive of the war begins
Allied forces begin the attack at Meusse-Argonne, the final offensive of the war. -
British and American forces enter Germany.
British and American forces entered Germany on 12/1/1918 -
League of Nations
Draft of the covenant of the League of Nations is completed. -
Treaty of Versailles signed
Allied and German representatives sign treaty of Versailles. The United States signs treaty of guaranty, pledging to defend France in case of an unprovoked attack by Germany. -
Treaty takes effect
Treaty of Versailles takes effect
United States Senate failed to ratify the Treaty of Versailles for the second time. -
US signs peace treaty
United States signs separate peace treaties with Germany, Austria, and Hungary.