What EVENT sparked the outbreak of World War 1 ?
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The Bosnian Crisis of Serbia's ambitions and Austria-Hungary's intention to stop this ambition from disturbing her unity led to the annexing Bosnia and Herzegovinastria-Hungary by Au, thus ruining Serbia's dream of creating a pan-slavic kingdom. This leads to the assasination of Archduke Ferdinand and his wife Sophia, by a Bosnian terrorist that worked for the Black Hand Organization who was devoted to Serbia's cause.
The assassination of Archduke Frans Ferdinand and his wife.