Question

Please help me
What event gave Austria-Hungary an excuse to attack Serbia (and SPARKED WWI)?

Answer 1

The immediate reason for Austria's ultimatum was the assassination of Archduke Franz Ferdinand and his wife Sophie in Sarajevo, Bosnia on June 28, 1914 by the Bosnian Serb nationalist, Gavrilo Princip.Jul 23, 2014

Step-by-step explanation:

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