1976 – Hank Aaron hits his 755th home run, the final home run of his career.
1960 – The Polaris missile is successfully launched from a submarine, the USS George Washington, for the first time.
Tuesday, Jul 20 2010 by kjfitz
1976 – Hank Aaron hits his 755th home run, the final home run of his career.
1960 – The Polaris missile is successfully launched from a submarine, the USS George Washington, for the first time.