In 1908 , Austria - Hungary annexed Bosnia and Herzegovina sparking the Bosnian crisis which eventually led to World War I .
Austro - Hungarian authorities took it over in 1878 , a decision which was made at the Berlin Congress .
In 1908 , Austro - Hungarian     annexed Bosnia and Herzegovina sparking the Bosnian crisis which eventually led to World War I .
Austro - Hungarian authorities took it over in 1878 , a decision which was made at the Berlin Congress .