Related events
- The album Hysteria returned to No. 1 on the US Billboard 200 and began its second period at the top of the chart.
- Def Leppard played the first of two concerts at Red Rocks Amphitheatre in Colorado as part of the promotion for the album Hysteria.
- Def Leppard’s album Hysteria reached No. 1 on the US Billboard 200 and, according to the source, returned to the top for the third time.
- Def Leppard released their fourth studio album, “Hysteria.”
- Def Leppard's fourth studio album "Hysteria" reached No. 1 on the UK album chart. The album also reached No. 1 in the US the following July after 49 weeks of gradual ascent. It also reached No. 1 in Australia, Norway, and New Zealand, and sold more than 20 million copies worldwide.
- Def Leppard began the North American leg of their world tour for the album “Hysteria” with a concert at the Glens Falls Civic Center in Glens Falls, New York.
- Rick Allen made his first live return to the stage with Def Leppard after losing his left arm in a car accident. It took place at the Monsters of Rock festival at Castle Donington.
- Def Leppard began the North American leg of their 248-date world tour, Seven Day Weekend, at Madison Square Garden in New York City.
- Def Leppard released Retro Active, an album compiled from previously unreleased tracks, B-sides, and studio recordings from various periods of the band's career.
- Def Leppard signed a contract with Phonogram Records with an initial advance of £120,000 ($180,000) and a 10 percent share of sales during the first two years.