Kaiser Wilhelm II of Germany urged Austria-Hungary to "strike while the iron is hot," believing Russia would eventually back down. In the Balkans, intense nationalism drove Slavic groups to seek independence from the declining Ottoman Empire and, later, from Austria-Hungary.
Assassination of Archduke Franz Ferdinand: The Spark That Ignited World War 1
This declaration activated a complex web of alliances: Russia mobilized to defend Serbia, Germany declared war on Russia, and Germany’s invasion of Belgium to reach France brought Great Britain into the conflict. Furthermore, a fierce arms race, particularly between Germany and Britain, had fostered an atmosphere of suspicion and made military solutions seem viable and even desirable to hawkish factions within various governments.
The desire to create a "Greater Serbia" directly conflicted with Austro-Hungarian territorial integrity. Miscalculation and the Failure of Diplomacy Perhaps the most tragic element of the July Crisis was the widespread belief that a major war could be avoided, or would be short and decisive.
Assassination of Archduke Franz Ferdinand: The Spark for World War 1
The couple was visiting Sarajevo, the capital of the recently annexed province of Bosnia, when Gavrilo Princip, a Bosnian Serb nationalist affiliated with the group Young Bosnia, fired two fatal shots. The July Ultimatum and the Alliance System While the assassination was the trigger, the mechanisms of European diplomacy ensured the conflict would expand.
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