💥The assassination of Archduke Franz Ferdinand of Austria-Hungary was the trigger for World War I.
🌍The outbreak of war was complicated and had many different factors contributing to it.
🤔Historians have debated who was to blame for the war, but it is difficult to say definitively.
🔥Austria-Hungary's response to the assassination and Serbia's behavior were major factors in escalating tensions.
⚖️The ultimatum issued by Austria-Hungary to Serbia was designed to be rejected and was part of the plan to go to war.