ante diem iv nonas sextilias

338 B.C. -- Death of Archidamus III (King of Sparta)

216 B.C. -- Hannibal inflicts a massive defeat on Roman forces
at Cannae (possible date)

86 B.C. -- Sulla defeats Mithridates at Chaeronea (possible date)

49 B.C. -- Julius Caesar defeats Afranius and Petreius (legates of Pompey) at Ilerda

47 B.C. -- Julius Caesar defeats Pharnaces II at Zela (and would later proclaim his victory with the famous "Veni, vidi, vici" )

9 A.D. -- death of Quintilius Varus (not sure about this one)