Annie Zaleski

On Feb. 2, 1993, Nelson finally settled his long-outstanding debt to the IRS.

On Feb. 1, 1978, Parton earned her first-ever gold single.

On Dec. 3, 1968, Presley made his triumphant return to the stage with an NBC TV special presented by the Singer sewing company.

On the night of Nov. 10, 1973, Akeman and his wife, Estelle, were murdered after interrupting a burglary at their home.

For the two chart weeks dated Oct. 29 and Nov. 5, 1983, Rogers and Parton pulled off quite a feat.

Is your favorite on the list?

Parton has released more than 60 albums and has amassed dozens of indelible singles. So why has "Jolene" in particular risen to the top and become her most iconic song?

Here are 20 country No. 1 hits that double as tangible proof that chart success isn't the only way to measure greatness.

We still listen to these regularly!

On Aug. 31, 1993, Brooks released his fifth studio album, 'In Pieces'.

On Aug. 24, 2013, Florida Georgia Line's "Cruise" began its record-setting 24th week at No. 1 on the Hot Country Songs chart.

On Aug. 18, 1998, Messina landed at No. 1 on the Billboard country singles chart with "I'm Alright."