September 2, 2011
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ante diem iv nonas septembres 31 B.C. — Octavian defeats Marcus Antonius and Cleopatra at Actium 490 B.C. — Pheidippides runs to Sparta for help against Persians at Marathon (one traditional date)
ante diem iv nonas septembres 31 B.C. — Octavian defeats Marcus Antonius and Cleopatra at Actium 490 B.C. — Pheidippides runs to Sparta for help against Persians at Marathon (one traditional date)