Rubuta ci gaba don wannan sakin layi - A cikin 335 BC, Alexander ya jagoranci yaƙin neman zaɓe a kan ƙabilar Thracian na Triballi a Haemus Mons, yana yaƙar su tare da Danube kuma ya tilasta musu mika wuya a Tsibirin Peuce. Ba da daɗewa ba bayan haka, sarkin Illyrian Cleitus na Dardani ya yi barazanar kai wa Makidoniya hari, duk da haka Iskandari ya ɗauki mataki kuma ya kewaye su a Pelion (a Albania ta zamani). Lokacin da Alexander ya sami labari cewa Thebes ya sake tayar da kansa daga League of Corinth kuma suna kewaye da sansanin Macedonian a Cadmea, Alexander ya bar Illyrian gaba kuma ya yi tafiya zuwa Thebes, wanda ya sanya shi a karkashin siege
Ka yi haƙuri. Bayan sun karya ganuwar, sojojin Alexander sun kashe Thebans 6,000, suka ɗauki mazauna 30,000 a matsayin fursunonin yaƙi, kuma suka ƙone garin zuwa ƙasa a matsayin gargaɗi ga wasu, wanda ya tabbatar da tasiri tunda babu wata jihar Girka da ke gefen Sparta da ta yi ƙarfin hali ta kalubalanci Alexander har zuwa ƙarshen mulkinsa.