When you view your own profile on that date, a note under your bio wishes you a "Happy Birthday" and a delightful little animation of multi-colored balloons floats across screen (PS tap to pop them).

Helena's mayor stepped on stage, red-faced under a blazing hot sun, to ring in the city's 140th anniversary with a birthday song and a brief proclamation.

Moments later, the balloons miraculously appeared outside Denver’s house some 1,000 miles away. Now that’s birthday magic. Watch the video below to see a loving grandma's special birthday ...