Oops, it doesn't look like 'Martini And Flip Flop day' is a national day..

Other days

Eat What You Want Day

Tell Ur Crush You Like Them Day

My Little Pony Day

Prosecco Day

Stud Day

Ask Out Your Crush Day

Carpenters Day

Appreciate Yaself A Lil Extra Day

Special Education Day

Hoodie Day