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All 7 members of the black hand lined the street in Sarajevo where the archduke would be going. Gavrilo Princip, a member of the black hand, assassinates Archduke Franz Ferdinand and his wife Sophie. Gavrilo Princip was then captured. He sparked World War 1. -
A month after the assassination of the archduke, Austria-Hungary declared war on Serbia. After Austria declared war, Russia, Serbia's ally, announced their troop mobilization. -
Germany demanded that Russia stop preparing for war. When Russia declined, Germany declared war on Russia. -
They were bound by a treaty to Russia, and they found themselves at war with Germany. -
They were linked to France by a relatively loose treaty that had put more of a "moral obligation" to come to their air. The invasion of Belgium brought them into the war also. -
They committed to Germany and Austria in the event of a defensive war. They did not view Germany's acts defensive and remained neutral. Finally, they entered the war on the allies side. -
The sinking of the lusitania by Germany was the main motivation for the US to join the war. The Zimmerman note was also a big factor as well. In the note, Germany offered US territory to Mexico if they had joined Germany in the war. -
Woodrow Wilson delivered his message called the Fourteen Points. This message was meant to be for a joint session of congress. Its purpose was to create peace in the world after WW1. -
This treaty ended Russia's participation in the war. It was between the central powers and the Soviet Union. This treaty gave away land and took away the industry of the former Russian Empire. -
This treaty ended WW1. It was produced by the Paris Peace conference at the end of WW1. It went into effect on January 10, 1920.