It is likely that Christian monks brought the art of distillation to Ireland, from there it spread to Scotland and in the 17th century to America where it became known as Bourbon whiskey.
Today, there are many types of whisky, but the most traditional, the Irish & the Scotch use only barley.
For more information on whisky – use the links below to go to The Whisky Shop website
The Whisky Producing Regions of Scotland
How Whisky Is Made
A brief but definitely not dull history of whisky
What gives whisky its flavour