Answer :

Final answer:

The assassination of Austrian Archduke Franz Ferdinand by Serbian nationalist Gavrilo Princip ignited the start of World War I.


Explanation:

The assassination of Austrian Archduke Franz Ferdinand in 1914 by Serbian nationalist Gavrilo Princip sparked the beginning of World War I. This event set off a series of alliances and militaristic actions among European nations, leading to a global conflict.


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