335 BC, Alexander led a campaign against the Thracian tribe of the Triballi at Haemus Mons, fighting them along the Danube and forcing their surrender on Peuce Island.<unk> In 335 BC, Alexander led a campaign against the Thracian tribe of the Triballi at Haemus Mons, fighting them along the Danube and forcing their surrender on Peuce Island. Shortly thereafter, the Illyrian king Cleitus of the Dardani threatened to attack Macedonia, yet Alexander took the initiative and besieged them at Pelion (in modern Albania). ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️
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