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this event is widely regarded as the spark that set off world war, this is because it leads to a chain of events such as Austria-Hungary's declaration of war on Serbia. Sophie Duchess of Hohenberg were killed in Bosnia by Gavrilo Princip a member of Serbian nationalist group called the black hand. This triggered a series of alliances and escalations. America started many alliances including France, United Kingdom, and Russia. This led to a global conflict -
The United Kingdom was one of the United States allies. on 8/4/1914 they declared war on Germany in response to the invasion in Belgium. This brought its global empire into the conflict causing the Ottoman empire to declare a war. -
The RMS was sunk by a German U-Boat, The attack happened off the coast of Ireland and resulted in deaths of 1,198 passengers and crew including 128 Americans. The United States provoked a international outrage which turned Americans against Germany leading to their contribution of World War 1. -
The United States presidential Election took place. President Woodrow Wilson was re-elected defeating the republican Charles Evans Hughes. Wilson campaign stated that he "Kept us out of war" reflecting his efforts to maintain U.S. neutrality during the conflict. 6 months later the U.S. was in the war. Though not in battlefield this election played a role in shaping the U.S. involvement in the war. -
The Zimmerman Telegram was set by German Foreign minister Arthur Zimmerman to the German ambassador in Mexico. This telegram proposed a secret military alliance between Germany and Mexico if the United states entered war against Germany. In the message Germany promised to support Mexico in recovering its lost territories of Texas, New Mexico, and Arizona. March 1917 the telegram became public and Americans were outraged scared for their safety. -
President Woodrow Wilson request to congress to join in World War 1 on April 2nd. The request was approved because of the Submarine warfare and the telegram. They officially entered war on the 6th. -
Shock troops with the Austro-Hungarian Army pushed 11 Italian divisions off the Mount Ortigara summit, regaining their important defensive position in Asiago, Italy. Italy suffered 23,000 casualties while Austria-Hungary sustained only 9,000 casualties. United states suffered from casualties and this was one of the first battles they took part in. -
The Sedition Act covered a broader range of offenses, the speech the caused the government to go into a negative light of the war. President Woodrow Wilson passed this act to continue the Espionage Act of 1917. This helped United States advance in their war tactics. -
An armistice was signed between Germany and the allies which ended World War 1. The United States was free from battles. -
The Versailles Peace Treaty was signed on June 28th 1919, officially ended the war. This was exactly 5 years after the war sparked by the assignation. The German delegates signed this peace treaty to declare war is over for the United States.