1976 – Hank Aaron hits his 755th home run, the final home run of his career.
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1960 – The Polaris missile is successfully launched from a submarine, the USS George Washington, for the first time.
© Google Maps
Today in History – July 20
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.
