Free Slurpee on 7-11 (July 11) in honor of 7/11 Convenience stores nationwide

 https://wsbt.com/news/offbeat/grab-a-free-slurpee-today-in-honor-of-711-speedway-stripes-summer-cool-sweet-treat

Grab a free slurpee today in honor of stores = 7-11 and Speedway and Stripes convenient stop-and-go

It's all in celebration of the original 7 - 11 store, 96th anniversary of founding.  In last 21 years

(since 2002) the Slurpee give-away has become a "summer staple".