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Assassination of Franz Ferdinand
Archduke Franz Ferdinand of Austria and his wife, Sophie, was shot and killed. They were killed by a Bosnian Serb nationalist during a official visit to the Bosnian capital of Sarajevo. This led to a chain of events that led to the outbreak of world war one. The war latest for five years, ending in the signing of the Treaty of Versailles. -
Austria- Hungary declares war on Serbia
One month to the day of the assassination of Archduke Franz Ferdinand. Austria- Hungary declared war on Serbia beginning the first world war. They thought the best way to respond to the assassination way to prepare for a possible military invasion. ONly after securing the support of their ally, Germany. -
Russia invades Germany
Russia's first and second armies advanced into East Prussia. They wanted to divert German resources and relieve pressure on France during the start of the first world war.