Early History of Indoor Plumbing

In ancient India, in about 4000-3000 B.C. there were bathrooms that had drains, serviced by a pipe, found in the ruins of a palace.

In Crete in ancient Greece, the first flush toilet is credited to King Minos. The people of Crete also created cisterns to hold rainwater for future household water use. The rain harvesting system also had underground drainage.

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