The weak Austro-Hungarian Empire was the last problem that led to ... A Bosnian Serb nationalist did this in 1914. As the war went on, ethnic tensions boiled over into open rebellion.

On June 28, 1914, the tensions that were roiling virtually the entire European continent reached a crescendo. Exactly one ...

The Austro-Hungarian Empire dissolved into Austria ... More from Military & Defense World War I involved 32 nations from 1914 to 1919. It redrew the world map and reshaped many borders in Europe.

The empire – a mix of European nations with ... Germany agreed and on 28th July 1914, Austria-Hungary declared war on Serbia. As Serbia’s major ally, Russia sought to protect them and declared ...