Ripley's Believe It or Not by Ripley’s Believe It or Not! for December 08, 2013
Transcript:
In 1803, the British Navy registered a 575 FT high rock off Martinique as a British warship- HMS Diamond Rock- and hoisted guns on top! Flushed with pride! English aristocrat Sir John Harington (1561-1612) invented the flushing toilet in 1596, but a lack of plumbing meant that it did not catch on for centuries. The wood boring larvae of the jewel beetle can live for over 30 years- sometimes inside furniture- before hatching as an adult.
So that’s why they’re called “Johns”.