The word “plumbing” comes from the word plumbum, which is Latin for lead. This is also why lead is abbreviated as Pb on the periodic table.
The first patent for a flushing toilet was issued in 1775 to a man named Alexander Cummings. However, he was not the first man to invent the flushing a toilet. A man named John Harrington did this in 1596, which is why we sometimes refer to the bathroom as “the John”.
Albert Einstein said if he could do it all again, he would be a plumber.