Here’s the tease:

In the years following the death of Julius Caesar in 44 BCE, internal Roman power struggles—combined with the increasingly negative response to Cleopatra VII and Marc Antony’s romantic partnership—led to the deterioration of the relationship between Egypt and Rome. The conflict ultimately came to a head with the Battle of Actium in September of 31 BCE, in which the Egyptian forces were decimated at sea by the Romans—with Cleopatra and Marc Antony barely escaping with their lives. The aftermath of this battle set the course for the final desperate year of Cleopatra’s life. Dr. Jennifer Wegner, Associate Curator, Egyptian Section, speaks at this “Great Battles: Moments in Time that Changed History” series lecture program.

… and here’s the video from UPenn Museum: