When did the song Nightmare by Avenged Sevenfold come out?

"Nightmare" by Avenged Sevenfold was released on July 28, 2010, as the lead single from their fifth studio album of the same name. The song was a commercial success, reaching number one on the Billboard Mainstream Rock chart and number two on the Billboard Alternative Songs chart. It also peaked at number 14 on the Billboard Hot 100 chart.