Battle of Cannae own "Cannae". Delbrück's seminal study of the battle had a profound influence on German military theorists, in particular the Chief of the German General Staff, Alfred von Schlieffen, whose eponymous "Schlieffen Plan" was inspired by Hannibal's double envelopment maneuver. Schlieffen taught that the "Cannae model" would continue to be applicable in maneuver warfare throughout the 20th century: Schlieffen later developed his own operational doctrine in a series of articles, many of which were translated and published in a work entitled "Cannae". In 1991, general Norman Schwarzkopf Jr., commander of Coalition forces in the Gulf War, cited Hannibal's triumph at Cannae
Sanitation in ancient Rome sanitation artifacts of the ancient world. Most sources believe it was built during the reign of the three Etruscan kings in the sixth century BC. This "greatest sewer" of Rome was originally built to drain the low-lying land around the Forum. It is not known how effective the sewers were, especially in removing excrement. From very early times the Romans, in imitation of the Etruscans, built underground channels to drain rainwater that might otherwise wash away precious topsoil, used ditches to drain swamps (such as the Pontine Marshes), and dug subterranean channels to drain marshy areas. Over time, the Romans