Disc jockey Alan Freed uses the term rock and roll to describe R&B, in an effort to introduce the music to a broader white audience.
The release of "Rocket 88", a song by Jackie Brenston and the Delta Cats. Some music historians consider this record to be the first rock and roll recording.
... in the 13th century.
John Wesley Powell, (1834-1902), explorer, environmentalist
Nathaniel Pryor[?], (c 1785-1850), US explorer
Pytheas, (died 1984), Greek explorer who ...