Imperial China (Qin and Han dynasties) - Battle of the Altai Mountains
Time: Jun, 89
Place: Region near the Altai Mountains, Mongolia
Details: Han and allied forces defeated the army of the Northern Chanyu and accepted the surrender of two hundred thousand Xiongnu soldiers in the Altai Mountains.
Roman Republic-First Mithridatic War
89 BC - Asia Minor, Achaea, Greece and the Aegean Sea