This event has passed.
World Cocktail Day
May 13, 2018
The Oxford Dictionary first defined the word “cocktail” on May 13th, 1806.
Some links of possible interest:
World Cocktail Day: Celebrate Like a Pro with Tips from Morgan Schick of Aaxte at OpenTable
World Cocktail Day: amazing cocktail recipes from across the globe at The Telegraph
Wikipedia: Cocktail