Toilets
Thomas Crapper
Thomas was a plumber, and is in fact credited with improving the functions on the newly improved flush toilet. The first toilet was made in 1884. The flushing toilet wasnt popular till the 19th century. Many people didn't have many flushing toilets till then. It was from England.
how toilets changed the world
Changed the world because people got tried of having poop lying around the streets. Made the world a more healty. Many people died because of the diseases that went round because of the poop on the ground. Some cities werent aloud to have more than a certain population.