Pink Floyd Surpasses Johnny Mathis 1983

October 29, 1983, Pink Floyd's 'Dark Side of the Moon' marked its 491st week on the Billboard album chart in the US, surpassing the previous record holder, 'Johnny's Greatest Hits' by Johnny Mathis. When it finally fell off of list in October 1988, 'Dark Side' had set a record of 741 weeks on the chart.