Octavian defeats Mark Antony and Cleopatra VII of Egypt at the Battle of Actium (2 September31 BC). On August 30 BC Octavian captures Alexandria. Marcus Antonius and Cleopatra suicide (kill themselves). Romans kill Cleopatra's son and co-ruler (this means they ruled the country together) Ptolemy XV Caesarion. Egypt becomes part of the Roman Republic and Octavian becomes the ruler of Rome and all Romans. Rome will soon become an Empire not a Republic.
Herod the Great builds Masada (37–31 BC) as a place to escape to if Jewish people attack him.
Significant people
Mark Antony, Roman politician and general (83–30 BC).