Metallica's self-titled album, commonly called The Black Album, spent four consecutive weeks at number one on the Billboard 200.
The result marked Metallica's first album to top the United States album chart. It debuted at number one in ten countries, demonstrating that the record's appeal extended well beyond the band's established heavy-metal audience.
Its chart performance was driven by a sequence of major songs rather than by one isolated hit. “Enter Sandman,” “The Unforgiven,” “Nothing Else Matters,” “Wherever I May Roam,” and “Sad but True” were all released as singles, helping keep the album visible across radio, television, and touring.
The four-week run is sometimes confused with the album's much longer overall chart life. The Black Album continued returning to charts and accumulating certifications for decades, but its original uninterrupted Billboard 200 reign was four weeks. That distinction makes the number specific and verifiable.