Read on to discover other important events and achievements that occurred on this day in rock music history. Breakthrough Hits and MilestonesThe mid-'80s saw a battle of legends on the Billboard 200 chart on Aug. 4. 1985: Bryan Adams claimed the top spot on the Billboard 200 chart this week with his album Reckless. 1 on the Billboard Hot 100 was "Poor Little Fool" by Ricky Nelson. Progressive rock band Supertramp canceled the European leg of their Supertramp Forever Tour because founding member Rick Davies had begun aggressive treatment for multiple myeloma.