August 13, 1952  Willa Mae Thornton recorded "Hound Dog" at Radio Recorders Annex in Los Angeles , the day after its composition.
August 18 1956 Elvis Presley's "Hound Dog" reached No 1 in the charts.

Hound Dog (song) from Wikipedia     https://en.wikipedia.org/wiki/Hound_Dog_(song)

HOUND DOG  - Elvis Presley       https://www.youtube.com/watch?v=-eHJ12Vhpyc
Big Mama Thornton - Hound Dog https://www.youtube.com/watch?v=gxQdKbhPoBM