That would be the Munich agreement
Explanation:
Daughter of King Ptolemy XII Auletes, Cleopatra was destined to become the last queen of the Macedonian dynasty that ruled Egypt between the death of Alexander the Great in 323 bce and its annexation by Rome in 30 bce. ... The 18-year-old Cleopatra, older than her brother by about eight years, became the dominant ruler.
