The article discusses the origin and historical background of the 1781 tragedy "The Siege of Sinope," by English novelist Frances Brooke. Topics explored include the notable recognition earned by Brooke in the theatrical community of London, England, the supposed connection between Brooke's play and Giuseppe Sarti's opera "Mitridate a Sinope," and brief details about the plot of the play which involves King Pharnaces II of Pontus.