"Delenda Est" is a science fiction short story by American writer Poul Anderson, part of his Time Patrol series. It was originally published in The Magazine of Fantasy and Science Fiction of December 1955. It was first reprinted in the first edition of the "Time Patrol" series collection Guardians of Time (Ballantine Books; September 1960). It was also a selection in the alternate history anthology Worlds of Maybe (Thomas Nelson; 1970) edited by Robert Silverberg.The title alludes to the Latin phrase Carthago delenda est ("Carthage must be destroyed") from the Third Punic War. Source: Wikipedia (en)