LAS VEGAS (KTNV) – National Tequila Day is happening July 24 and many Las Vegas casinos, bars and experiences are celebrating big this year. The following cocktails will be offered at the Venetian and Downtown Grand Hotel & Casino: Electra at The Venetian hotel-casino is offering their Spicy Tommy’s #2 made with tequila, sour-filling lime and orange, and agave syrup garnished with a shock of chili salt.