Which country first invented the toilet?

1956, invented by John Harington, England.

Wooden seat with water tank and flush valve. However, the earliest written record of the toilet was the wooden horse in Return to the Field II by Ouyang Xiu in the Northern Song Dynasty, which was interpreted as a wooden toilet in Ci Yuan. The toilet used by the ancient people in China was a round wooden barrel with a lid, which was coated with tung oil or fine waterproof vermicelli. This is the earliest written record about toilets.

Meaning:

It is technically characterized in that a cleaning plug is installed at the upper opening of the S-shaped trap of the existing toilet, and the cleaning plug mainly consists of an inspection port and a cleaning bolt gun, wherein the inspection port is embedded in a reserved port at the upper part of the S-shaped trap, and the cleaning bolt gun is a tool for removing silt. Toilets characterized by human sitting can be divided into straight flush type and siphon type according to flushing mode (siphon type is divided into jet siphon type and vortex siphon type).

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