Rock 'n' roll didn't just appear out of thin air, rather, it appeared out of the inspiration brought on by these three staples from the 40s.

On Sept. 12, 1946, blues piano player Amos Milburn made his first recording for Aladdin Records of Los Angeles.

In 1964 the Mississippi Valley Historical Review, published by the Organization of American Historians, became The Journal of American History. The change in title reflected not only an awareness of a ...