Archduke Ferdinand was killed by an assasin sent by a Serbian Nationalist group called the Black Hand. Serbia as a whole was blamed by the Archduke's country, but the Assasin who pulled the trigger was named Gavrilo Princip.
Franz Ferdinand was assassinated in Sarajevo in current Bosnia. Yugoslavia
Gavrilo Princip a Serbian Student
Serbia was blamed for the assassination of Archduke Franz Ferdinand of Austria in June 1914, which set off a chain of events leading to World War I. The assassin, Gavrilo Princip, was a member of a nationalist group seeking to liberate Slavic peoples from Austro-Hungarian rule, and he was motivated by Serbian nationalist sentiments. Austria-Hungary used the assassination as a pretext to issue an ultimatum to Serbia, ultimately leading to the outbreak of the war.
because when archduke was assinated austria-hungary blamed Serbia and so attacked them then Russia being part of a alliance helped them and then all the other countries got involved and turned into the first world war
Austria-Hungary blamed Serbia for the assassination. The assassination happened in Bosnia, which was ruled by Austria-Hungary at the time; Bosnian separatists murdered the Archduke with some assistance from Serbian intelligence officials. The Austrian government, of course, found out about this and was not too happy.
Serbia
To simplify a complicated chain of events : the Archduke is assassinated, Serbia is held responsible by Austria/Hungary. Russia supports Serbia. Germany supports Austria/Hungary. France supports Russia, & Britain joins in to support France. Turkey joins the central powers. Rumania joins the Allies. Bulgaria joins the central powers. Italy & the US join the Allies.
It was the assassination of arch duke Franz Ferdinand, that caused it all. Germany did not start the war, but then were blamed for it in the treaty.
The assasination of Archduke Franz Ferdinand, heir to the throne of Austria-hungary. He was killed by Gavrillo Princip, a slavic nationalist in Sarahevo, Bosnia in 1914. Austria-Hungary used this as an excuse to invade Bosnia.
Germany was largely blamed for starting World War I, particularly following the war's conclusion with the Treaty of Versailles in 1919. The treaty imposed heavy reparations and territorial losses on Germany, attributing significant responsibility for the conflict to the nation. This perception was influenced by Germany's aggressive military strategies and alliances, particularly its support for Austria-Hungary after the assassination of Archduke Franz Ferdinand.
Franz Ferdinand did not start the war. Gavrilo Principe assassinated him in Sarajevo. This caused WW1 as Austria-Hungary blamed the Serbs. Russia jumped in to help the Serbs. Germany attacked France. Germany moved into neutral Belgium so Britain declared war.