Get Your Brain Freeze On

In honor of its 80th birthday, Dallas-based convenience store chain 7-Eleven will be giving away free 7.11-ounce Slurpees in commemorative cups at all U.S. locations today.

7-Eleven's roots extend back to 1927, when the Southland Ice Company at the corner of Edgefield and 12th in Oak Cliff began selling select food items to compete with the 1926 advent of mechanical refrigerators. This budding convenience store was initially called Tote'm. The name changed to 7-Eleven in 1946 to reflect the store's business hours.