Heavyweight champ, Rocky Marciano, retires undefeated from boxing.
Elvis was alive on 15562 days. The day he was born, day 1, and the day he died, day 15562, he wasn't alive for all of those two days. Having made the calculations and as an obscure side note to everything Elvis, at 14:38 on this day, April 27th 1956, Elvis was exactly half way through his life.