20. examples - no. 2.

A historic example from the Mediterranean:

This is a British hydrographic chart showing part of a Greek island. The surveying vessel, under command of Captain Corry, sent a party of sailors to the island to survey it. They did not like it, as can be seen from the names of the Hills on their map:

Yam, Yrroc, Eb and Denmad.

If you reverse these names, it says:

May Corry be damned!