Our humble water toilet may be a modern invention, but plumbing existed as early as 2700 BC for the civilizations of the Indus Valley. But among the ancients, the Romans perfected the use of plumbing and toilets into an art, so much that a modern traveler to Ancient Rome would find everything in good order, even if the lack of intimacy might be unsettling at first.
Romans, as we know, had a bit of an obsession with aqueducts and baths, kind of hygiene freaks, they were. Because of this, plumbing was a profession in its own right, and the ancient plumber was called, duh, plumbarius.[...]
Via Barbara Falkinburg, HGI Middle School Library, Joe Ruhl