Rad
Facts
.net
#4
The first flush toilets were constructed nearly 4,000 years ago.
You might suppose the Romans – known for their aqueducts and engineering feats – built the world's first flush toilet. Spectacularly, the flush toilet predates the rise of Rome. Scholars may disagree as to who deserves credit. Some credit the Indus Valley Civilization and others the Minoans. Source