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The assassination of Archduke Francis Ferdinand
The archduke was assassinated by Gavrilo Princip who was apart of the serbian terrorist group. -
Beginning of WW1
Austria-Hungary declares war on Serbia -
First Battle of the Marne
Allied forces halt German advance into France -
Germany Blockade
Germany begins naval blockade of Great Britain -
Sinking of the Lusitania
German submarine sinks the passenger liner Lusitania during crossing from New York to Liverpool, England, killing 128 Americans. -
The attack on Verdun
Germany begins the attack on Verdun -
Battle of the Somme
Allied offensive begins the Battle of the Somme -
The United States declares war in Germany
The US declares war on Germany due to them sinking the lusitania, killing 128 americans and trying to send the Zimmerman note to Mexico -
Russia signs the Treaty of Brest-Litovsk with Germany
By the terms of the Treaty of Brest-Litovsk, Russia recognized the independence of Ukraine, Georgia and Finland; gave up Poland and the Baltic states of Lithuania, Latvia and Estonia to Germany and Austria-Hungary; and ceded Kars, Ardahan and Batum to Turkey -
Treaty of Versailles takes effect
The treaty's so-called “war guilt” clause forced Germany and other Central Powers to take all the blame for World War I. This meant a loss of territories, reduction in military forces, and reparation payments to Allied powers