Dragutin Dimitrijevi%C4%87

Dragutin Dimitrijevi , known as Apis , was a Serbian colonel. He was a leading member of a military group that organized the overthrow of the Serbian government in 1903. He personally organized and participated in the coup against King Alexander and his wife Queen Draga that resulted in their murders, though he was not present when they were killed. He was also the leader of the Black Hand group responsible for the assassination of Franz Ferdinand, Archduke of Austria in June 1914. The latter triggered the July Crisis which led to the outbreak of World War I.

Dragutin Dimitrijevi was born in Belgrade, Principality of Serbia in the summer of 1876. Dimitrijevi entered the Belgrade Military Academy at age sixteen. A brilliant student, Dimitrijevi was recruited into the General Staff of the Serbian Army immediately after his graduation.

Source: Wikipedia