It seems that since the initial release of the White Stripes' Seven Nation Army in 2003, the crowds at sporting events all over the world have adopted it as their favorite chant.

One of the origin legends claims that the trend started at a Milan bar when the fans of the Belgian football club Club Brugge KV heard the original tune and started singing along. A few years later, Bruggefans cheered for their club in Rome with the song, and it began catching on in Italy. 

AS Roma captain at the time, Francesco Totti, recounted later:

Seven Nation Army riff conquers sport and classical music