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Franz Ferdinand assasination
Archduke Franz Ferdinand and his wife were assasinated while visiting Sarajavo, Bosnia. He was next in line for the Austria-Hungarian throne.The killing set off decade old tensions in Europe and started WWI. -
Austria-Hungary declares war on Serbia
They declared war because Archduke Franz Ferdinand of Austria and his wife were killed by a Serbian nationalist in Sarajevo.Which led to the beginning of the war. -
First use of gas as a weapon by the Germans
Gas made it easy to kill by the hundreds.They also used it in Trench Warfare by throwing it into the French trench witch gave them time to cross no mans land. -
Sinking of the Lusitania
Made the U.S even more anti-German then they were before.It also would ultimately make the U.S get into the war. -
Wilson reelected;pledged American neutrality
It made the U.S citizens happy because they don't want to fight in the war.Woodrow Wilson planed to stay neutral. -
Zimmermann note
Made the U.S mad.Made the U.S think about entering the war. -
Bolsheviks led by Lenin overthrown Russian government
It generated a new way of thinking about economy, society and the government. The revolution marked the end of a dynasty that had lasted 300 years and concluded with the seizure of power by a small revolutionary group. -
U.S declares war
Made the war even larger.Assisted the allies with raw materials and more men. -
War ends
Germany signed an armistice an agreement for peace and no more fighting that had been prepared by Britain and France. -
Treaty of Versailles
Was the treaty that ended the war.Was signed by Germany and made by allied powers.
