On this day in 1969 the album 'Chicago Transit Authority' was certified Gold.  It was technically a self-titled album, until the band was sued by the REAL Chicago Transit Authority, and changed their name...to Chicago.

They were the first band to debut with a double album. It peaked at Double Platinum in November of 1986.

This album featured featured 'Does Anybody Really Know What Time It Is?':

And 'Beginnings'. Here they are performing it live with Earth, Wind & Fire: