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Archduke Franz Ferdinand Assassinated
- Killed in Sarajevo, Bosnia
- Gavrilo Princip shoots him
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Austria-Hungary Declares War on Serbia
- Exactly one month after Archduke is assassinated
- The start of World War I
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Germany Declares War on Russia
- Russia supported Serbia
- Four days after Austria-Hungary declares war on Serbia
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Germany Declares War on France
- Germany declares war on France two days after declaring war on Russia
- Hours later France declares war back
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Germany Invades Belgium
- Belgium declares they will remain neutral
- Germany demanded passage through the country
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German U-Boats Sink The Luisitania
- There were 128 Americans on this ship
- This was one of the causes the US joined the War
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The Zimmerman Note is Discovered
- Intercepted and deciphered by British Intelligence
- Offered financial aid to Mexico if they agreed to be a German ally
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Germany Announces Unrestricted Submarine Warfare
- German ships and submarines announce they will sink any ship in war zone waters
- 3 days later the US broke diplomatic relations with Germany
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The United States Declares War on Germany
- President Wilson ask Congress to help make the world safe for democracy
- Sinking of the Luisitania was a big factor
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The Russian Monarchy is Overthrown
- Bolshevik revolution overthrows Vladimir Lenin
- Provisional government comes out of this