King Minos of Crete had the first flushing water closet recorded in history and that was over 2800 years ago.
A toilet was discovered in the tomb of a Chinese king of the Western Han Dynasty that dates back to 206 BC to 24 AD.
The ancient Romans had a system of sewers. They built simple outhouses or latrines directly over the running waters of the sewers that poured into the TiberRiver
Chamber pots were used during the middle ages. A chamber pot is a special metal or ceramic bowl that you used and then tossed the contents out (often out the window).
In 1596, a flush toilet was invented and built for Queen Elizabeth I by her Godson, Sir John Harrington.
The first patent for the flushing toilet was issued to Alexander Cummings in 1775.
During the 1800s, people realized that poor sanitary conditions caused diseases. Having toilets and sewer systems that could control human waste became a priority to lawmakers, medical experts, inventors, and the general public.
In 1829, the Tremont Hotel of Boston became the first hotel to have indoor plumbing, and had eight water closets built by Isaiah Rogers. Until 1840, indoor plumbing could be found only in the homes of the rich and the better hotels.
Beginning in 1910, toilet designs started changing away from the elevated water tank into the modern toilet with a close tank and bowl.