Original: Rocky Marciano (September 1, 1923 â "August 31, 1969), born Rocco Francis Marchegiano, was an Italian-American boxer and the heavyweight champion of the world from September 23, 1952, to April 27, 1956.
Simplified: Rocco Francis Marchegiano, better known as Rocky Marciano (September 1, 1923 â "August 31, 1969), was an American boxer. Marciano was the World Heavyweight Boxing Champion from 1952 until 1956.