National margarita day 2010 22 Feb - Each year, February 22nd comes and goes, and sadly, most don’t know it is the recognized day to officially celebrate the nation’s most popular cocktail – the Margarita (that’s right, the Margarita!). This National Margarita Day, ditch the tacky store-bought Margarita mix and take a ride on the wild side with Cabo Wabo Tequila’s untamed, ultimate Margarita recipes.