Johnny Cash

He's not just a country music icon; he's a music icon, period

On Sept. 12, 2003, Cash passed away after suffering complications from diabetes.

On July 7, 1956, Cash made his debut on the Grand Ole Opry -- and met his future wife, June Carter.

On March 1, 1968, Cash wed Carter in Franklin, Ky.

Cash's songs are some of the most iconic in the history of modern music.

On Feb. 24, 1969, the "Man in Black" recorded his 'At San Quentin' album.

On Feb. 22, 1968, Cash proposed to Carter while they were onstage together in London, Ontario, Canada.

The two were big fans of each other's work.