Complex sentence: The 1960 World 600, the 1st running of the event, was a NASCAR Grand National Series event that took place on June 19,1960 at Charlotte Motor Speedway in Concord, North Carolina.
Split into simpler sentences: The 1960 World 600 was the inaugural running of the World 600, a NASCAR Grand National Series event. It was run on June 19,1960 at the Charlotte Motor Speedway in Concord, North Carolina.