The t-shirt "Unsolved Past"

It's a short story, which happened quite a long time ago, in the early 70's turning summer break in America, when every single teenager rested from daily schoolwork and so did the t-shirt's owner, John. Yes, the teller of this story is "a
t-shirt" hilarious right? What can so interesting tell a t-shirt, that it would become a story? Well, it really depends what kind of story it would tell..which perhaps, just perhaps...would change everything, just everything...peoples fates and their personalities and even, if The t-shirt was alive at that time, maybe an ordinary summer day, wouldn't have turned into a entirely unexpected and different one...