International Whisk(e)y Day was first announced in 2008 and falls on 27 March each year. The name is used with the parenthesis to indicate support of Scottish, Canadian, and Japanese whiskies (no e) as well as Irish and American whiskeys (full of e). The day publicly supports Parkinson's Disease research in addition to enjoying Whiskey- wikipedia.com
International Whiskey Day was launched in 2009 at the Whiskey Day Festival in the northern Netherlands in the presence of several whiskey writers. The event was created in honor of British writer Michael Jackson and is celebrated on Jackson's birthday.
Taken from the International Whisk(e)y day's website, "International Whisk(e)y Day is a non-profit celebration of whiskey which receives no funding and is run entirely by the passion of whiskey fans from around the world. So if you love whisk(e)y and want to help spread the word, then go ahead and tell someone about it.wikipedia.com