Roman numerals
- 1. one= I!
two= II!
three= III!
four= IV!
five= V!
six= VI!
seven= VII!
eight= VIII!
nine= IX!
ten= X!
eleven= XI!
twelve= XII!
thirteen= XIII!
fourteen= XIV!
fifteen=XV!
sixteen=XVI!
seventeen=XVII!
eighteen=XVIII!
nineteen= XIX!
twenty= XX
Wikipedia: Colosseum in Rome, Italy - April 2007 CC Licensed BY-SA 2.5
http://creativecommons.org/licenses/by-sa/2.5/-S