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Lusitania Sank
When the Lusitania sank, it caused a huge uproar during the war because 128 American citizens were killed. America was angry with Germany because they had agreed to not attack anymore American vessels. This event lead to unauthorized submarine warfare to stop for 2 years.
http://www.youtube.com/watch?v=RCrzaC4aLPg -
Arabic Sunk
On August 19th 1915 the Arabic sunk and 3 Americans were killed. This added on to the growing frustration of America before they entered the war. -
Zimmerman Telegram
The Zimmerman telegram was a dipolmatic proposal from Germany to Mexico to convince them to start war against the United states. -
Wilson arms merchant ships with naval personnel and equipment
On Febuary 26th 1917, President Wilson arms merchant ships with personnel and equipment. -
President Wilson outlines his case for war to Congress.
On April 2nd 1917, President Wilson decided to outline his case for war to Congress.
http://www.firstworldwar.com/source/armisticeterms.htm -
The US joins WW1
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Battle of Cantigny
It was the second day of the great German offensive comprising the Third Battle of the Aisne.
American troops lead by Major-General Robert Lee Bullard, captured the village of Cantigny which had been under German rule.
http://www.firstworldwar.com/battles/cantigny.htm
The French aided the Americans in their attack by providing supplies and weapons. -
Second Battle of the Marne or Battle of Reims
This was the last German Spring Offensive on the Western Front. The German attack failed when the French interfered with a counter attack. This defeat started a numerous amount of victories for the Allies. This was considered the beginning of the end of the Great War.
http://en.wikipedia.org/wiki/Second_Battle_of_the_Marne
http://www.youtube.com/watch?v=SPBHjE6MOPI -
World War 1 Ends
On November 11th, World War 1 officially ended. -
Germany surrenders to the Allies
The Allies terms were presented to Germany. Germany was stunned by the terms and protested but gave in and signed the demands. President Wilson celebrated by giving the Thanksgiving Address at the end of the month.
http://www.firstworldwar.com/source/armisticeterms.htm
http://www.youtube.com/watch?v=OWbXhpcys5I -
Treaty of Versaille Ratified
After the war, the countries decided to ratify the Treaty of Versaille to restore peace. -
League of Nations first meeting
On the 16th of January in 1920, the League of Nations had their first metting. Their purpose was to try to resolve future conflicts peacefully. -
The rest of the cited sources
http://history.state.gov/milestones/1914-1920/WWI
http://en.wikipedia.org/wiki/American_entry_into_World_War_I
http://en.wikipedia.org/wiki/Zimmermann_Telegram
http://en.wikipedia.org/wiki/SS_Arabic_%281902%29
http://www.history.com/this-day-in-history/germany-resumes-unrestricted-submarine-warfare
http://en.wikipedia.org/wiki/World_War_I
http://en.wikipedia.org/wiki/RMS_Lusitania -
League of Nations dissolved
On April 20th 1946, the League of Nations called a quits and dissolved. Later they would be replaced by the UN.
