Question

who was started first World war....?​

Answer 1

Answer:

The simplest answer is that the immediate cause was the assassination of Franz Ferdinand, the archduke of Austria-Hungary. His death at the hands of Gavrilo Princip – a Serbian nationalist with ties to the secretive military group known as the Black Hand – propelled the major European military powers towards war.

Answer 2

Answer:

Franz Ferdinand and Austria-Hungary.