Complex sentence: It has been pointed out that the song does not fit the known historical facts of the life of Johnny Ringo; this did not damage the song's popularity, as it shot to the top of the US "Billboard" charts on December 5,1964.
Split into simpler sentences: It has been pointed out that the song does not fit the known historical facts of the life of Johnny Ringo. However, this did not damage the song's popularity, as it shot to the top of the US "Billboard" charts on December 5,1964.