[Flag_This]

So this means that the flushing toilets they found in the ruins of Akrotiri on Santorini are even older than originally thought.

[SunkenCiv]

Nope. But the Cycladic culture that built Akrotiri laid two separate water systems, apparently one for hot water from the island’s geothermal sources, and one for cold water. The waste pipe went somewhere, probably into the sea. For its era, it was a real maritime boomtown going back into the Neolithic.